NO833886L - Fremgangsmaate og innretning for bestemmelse av hydrogen-stroemning. - Google Patents

Fremgangsmaate og innretning for bestemmelse av hydrogen-stroemning.

Info

Publication number: NO833886L
Authority: NO; Norway
Prior art keywords: metal; hydrogen; membrane; cathode; housing
Prior art date: 1982-02-26

Application number

NO833886A

Other languages

English (en)

Norwegian (no)

Inventor

Hans Arup

Original Assignee

Hellesens As

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1982-02-26

Filing date

1983-10-25

Publication date

1983-10-25

1983-10-25 Application filed by Hellesens As filed Critical Hellesens As

1983-10-25 Publication of NO833886L publication Critical patent/NO833886L/no

Links

239000001257 hydrogen Substances 0.000 title claims description 153
229910052739 hydrogen Inorganic materials 0.000 title claims description 153
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 133
238000000034 method Methods 0.000 title claims description 33
229910052751 metal Inorganic materials 0.000 claims description 185
239000002184 metal Substances 0.000 claims description 185
239000012528 membrane Substances 0.000 claims description 129
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 72
229910044991 metal oxide Inorganic materials 0.000 claims description 65
150000004706 metal oxides Chemical class 0.000 claims description 64
229910000831 Steel Inorganic materials 0.000 claims description 58
239000010959 steel Substances 0.000 claims description 58
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 54
239000008151 electrolyte solution Substances 0.000 claims description 40
239000004033 plastic Substances 0.000 claims description 38
229920003023 plastic Polymers 0.000 claims description 38
239000011888 foil Substances 0.000 claims description 36
229910052742 iron Inorganic materials 0.000 claims description 34
239000000463 material Substances 0.000 claims description 30
229910052763 palladium Inorganic materials 0.000 claims description 27
238000000576 coating method Methods 0.000 claims description 21
238000005259 measurement Methods 0.000 claims description 21
239000011248 coating agent Substances 0.000 claims description 19
239000003792 electrolyte Substances 0.000 claims description 19
239000010410 layer Substances 0.000 claims description 18
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
238000005260 corrosion Methods 0.000 claims description 13
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
230000007797 corrosion Effects 0.000 claims description 12
150000002431 hydrogen Chemical class 0.000 claims description 12
-1 hydrogen ions Chemical class 0.000 claims description 12
230000000694 effects Effects 0.000 claims description 10
238000007254 oxidation reaction Methods 0.000 claims description 9
230000001590 oxidative effect Effects 0.000 claims description 9
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
230000003647 oxidation Effects 0.000 claims description 8
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
239000000243 solution Substances 0.000 claims description 8
239000000126 substance Substances 0.000 claims description 8
229910052759 nickel Inorganic materials 0.000 claims description 7
239000012530 fluid Substances 0.000 claims description 6
NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
229910052709 silver Inorganic materials 0.000 claims description 6
239000004332 silver Substances 0.000 claims description 6
NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical group [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 6
239000012670 alkaline solution Substances 0.000 claims description 5
230000001681 protective effect Effects 0.000 claims description 5
239000007789 gas Substances 0.000 claims description 4
229910052697 platinum Inorganic materials 0.000 claims description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
238000006243 chemical reaction Methods 0.000 claims description 3
238000004140 cleaning Methods 0.000 claims description 3
238000003487 electrochemical reaction Methods 0.000 claims description 3
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
229910052737 gold Inorganic materials 0.000 claims description 3
239000010931 gold Substances 0.000 claims description 3
239000007788 liquid Substances 0.000 claims description 3
229910000474 mercury oxide Inorganic materials 0.000 claims description 3
UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 claims description 3
239000003345 natural gas Substances 0.000 claims description 3
238000005554 pickling Methods 0.000 claims description 3
239000011253 protective coating Substances 0.000 claims description 3
229910001923 silver oxide Inorganic materials 0.000 claims description 3
238000007747 plating Methods 0.000 claims description 2
239000010970 precious metal Substances 0.000 claims description 2
238000012545 processing Methods 0.000 claims description 2
239000011241 protective layer Substances 0.000 claims description 2
239000002436 steel type Substances 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
238000011282 treatment Methods 0.000 claims 1
210000004027 cell Anatomy 0.000 description 70
229940021013 electrolyte solution Drugs 0.000 description 28
239000000523 sample Substances 0.000 description 27
238000012544 monitoring process Methods 0.000 description 12
230000006870 function Effects 0.000 description 8
239000000843 powder Substances 0.000 description 6
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
239000000853 adhesive Substances 0.000 description 5
230000001070 adhesive effect Effects 0.000 description 5
210000005056 cell body Anatomy 0.000 description 5
238000007789 sealing Methods 0.000 description 4
238000012360 testing method Methods 0.000 description 4
230000001052 transient effect Effects 0.000 description 4
229920002799 BoPET Polymers 0.000 description 3
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
239000003513 alkali Substances 0.000 description 3
239000004020 conductor Substances 0.000 description 3
238000009792 diffusion process Methods 0.000 description 3
230000007613 environmental effect Effects 0.000 description 3
238000011049 filling Methods 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
239000000203 mixture Substances 0.000 description 3
239000002985 plastic film Substances 0.000 description 3
229920006255 plastic film Polymers 0.000 description 3
229910001220 stainless steel Inorganic materials 0.000 description 3
239000010935 stainless steel Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
229910000640 Fe alloy Inorganic materials 0.000 description 2
229910000990 Ni alloy Inorganic materials 0.000 description 2
239000004743 Polypropylene Substances 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
238000009924 canning Methods 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000005336 cracking Methods 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000010354 integration Effects 0.000 description 2
239000007791 liquid phase Substances 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
229910052753 mercury Inorganic materials 0.000 description 2
239000003973 paint Substances 0.000 description 2
238000002161 passivation Methods 0.000 description 2
229920001155 polypropylene Polymers 0.000 description 2
229920001343 polytetrafluoroethylene Polymers 0.000 description 2
238000009877 rendering Methods 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
239000005028 tinplate Substances 0.000 description 2
239000005711 Benzoic acid Substances 0.000 description 1
229910002666 PdCl2 Inorganic materials 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
239000000654 additive Substances 0.000 description 1
229910001854 alkali hydroxide Inorganic materials 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
235000010233 benzoic acid Nutrition 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000004566 building material Substances 0.000 description 1
239000011111 cardboard Substances 0.000 description 1
238000004210 cathodic protection Methods 0.000 description 1
238000001311 chemical methods and process Methods 0.000 description 1
238000004587 chromatography analysis Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
210000003298 dental enamel Anatomy 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
238000004070 electrodeposition Methods 0.000 description 1
238000006056 electrooxidation reaction Methods 0.000 description 1
238000009713 electroplating Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
229920002457 flexible plastic Polymers 0.000 description 1
239000006260 foam Substances 0.000 description 1
229920001821 foam rubber Polymers 0.000 description 1
239000011521 glass Substances 0.000 description 1
125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
239000011810 insulating material Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
239000011872 intimate mixture Substances 0.000 description 1
229910000464 lead oxide Inorganic materials 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
VOJRRRQIMVPLDX-UHFFFAOYSA-N mercury oxosilver Chemical compound [Ag]=O.[Hg] VOJRRRQIMVPLDX-UHFFFAOYSA-N 0.000 description 1
239000008239 natural water Substances 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
239000000123 paper Substances 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
239000012071 phase Substances 0.000 description 1
238000000053 physical method Methods 0.000 description 1
229910003446 platinum oxide Inorganic materials 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920000193 polymethacrylate Polymers 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
239000011148 porous material Substances 0.000 description 1
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000004088 simulation Methods 0.000 description 1
239000002689 soil Substances 0.000 description 1
239000011343 solid material Substances 0.000 description 1
239000012085 test solution Substances 0.000 description 1
229910000406 trisodium phosphate Inorganic materials 0.000 description 1
239000002023 wood Substances 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
General Health & Medical Sciences (AREA)
Mechanical Engineering (AREA)
Pathology (AREA)
Immunology (AREA)
General Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Biodiversity & Conservation Biology (AREA)
Molecular Biology (AREA)
General Engineering & Computer Science (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Electrochemistry (AREA)
Ecology (AREA)
Environmental & Geological Engineering (AREA)
Environmental Sciences (AREA)
Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Tunnel Furnaces (AREA)
Investigating And Analyzing Materials By Characteristic Methods (AREA)
Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

NO833886A 1982-02-26 1983-10-25 Fremgangsmaate og innretning for bestemmelse av hydrogen-stroemning. NO833886L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DK86482		1982-02-26
DK126082		1982-03-19

Publications (1)

Publication Number	Publication Date
NO833886L true NO833886L (no)	1983-10-25

Family

ID=26064800

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO833886A NO833886L (no)	1982-02-26	1983-10-25	Fremgangsmaate og innretning for bestemmelse av hydrogen-stroemning.

Country Status (6)

Country	Link
EP (1)	EP0103588A1 (ja)
JP (2)	JPS59500063A (ja)
AU (1)	AU1331083A (ja)
DK (1)	DK492183D0 (ja)
NO (1)	NO833886L (ja)
WO (1)	WO1983003007A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR9501061A (pt) *	1995-03-14	1997-05-06	Petroleo Brasileiro Sa	Sensor eletroquimico e processo para medir permeação de hidrogênio
US9054094B2 (en)	1997-04-08	2015-06-09	X2Y Attenuators, Llc	Energy conditioning circuit arrangement for integrated circuit
US6554981B2 (en) *	1998-09-14	2003-04-29	Saudi Arabian Oil Company	Hydrogen permeation probe
PL394698A1 (pl) *	2011-04-29	2012-11-05	Instytut Chemii Fizycznej Polskiej Akademii Nauk	Sonda do okreslania szybkosci wnikania wodoru do metali i urzadzenie obejmujace taka sonde
CN102323205B (zh) *	2011-05-11	2015-03-18	中国科学院海洋研究所	一种金属应力腐蚀开裂裂缝处氢渗透电流及氢分布的检测方法
WO2016161513A1 (en)	2015-04-07	2016-10-13	University Of New Brunswick	System and method for monitoring hydrogen flux
ES2573178B2 (es) *	2015-09-18	2017-07-31	Universidad Complutense De Madrid	Sensor para la monitorización de la corrosión mediante medidas de impedancia y ruido electroquímicos y de resistencia a la polarización y uso del mismo
EP4060322A1 (en) *	2021-03-16	2022-09-21	Polski Koncern Naftowy Orlen S.A.	Probe for corrosion rate measurement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2948237A (en) *	1958-02-17	1960-08-09	Florian C Toepel	Revolving hearth for a combustion chamber
NL302879A (ja) *	1963-02-25
US3410780A (en) *	1965-10-22	1968-11-12	United Nuclear Corp	Electrochemical hydrogen meter
US3629090A (en) *	1968-09-09	1971-12-21	North American Rockwell	Apparatus for measuring hydrogen absorption
US3772178A (en) *	1968-10-03	1973-11-13	Petrolite Corp	Electrode for corrosion test
JPS51115212A (en) *	1975-04-02	1976-10-09	Daido Steel Co Ltd	Apparatus for heat treatment with non-oxidizing atmosphere
US4065373A (en) *	1976-04-26	1977-12-27	Petrolite Corporation	Hydrogen patch cell
DE2637646B2 (de) *	1976-08-20	1978-08-10	Friedrich Wilhelm Dipl.- Ing. 5600 Wuppertal Elhaus	Anwärmofen
GB1585070A (en) *	1977-11-22	1981-02-25	Nat Res Dev	Electrochemical cell
US4221651A (en) *	1979-06-25	1980-09-09	Rockwell International Corporation	Electrochemical cell for measuring hydrogen in metal

1983
- 1983-02-01 JP JP83500472A patent/JPS59500063A/ja active Granted
- 1983-02-25 JP JP58500846A patent/JPS59500331A/ja active Pending
- 1983-02-25 EP EP83900780A patent/EP0103588A1/en not_active Ceased
- 1983-02-25 WO PCT/DK1983/000022 patent/WO1983003007A1/en not_active Application Discontinuation
- 1983-02-25 AU AU13310/83A patent/AU1331083A/en not_active Abandoned
- 1983-10-25 NO NO833886A patent/NO833886L/no unknown
- 1983-10-26 DK DK4921/83A patent/DK492183D0/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
AU1331083A (en)	1983-09-08
JPS59500063A (ja)	1984-01-12
EP0103588A1 (en)	1984-03-28
DK492183A (da)	1983-10-26
JPS59500331A (ja)	1984-03-01
JPH0318112B2 (ja)	1991-03-11
WO1983003007A1 (en)	1983-09-01
DK492183D0 (da)	1983-10-26

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