DE2213524B2 - WINDOW TUBE - Google Patents

WINDOW TUBE

Info

Publication number
DE2213524B2
DE2213524B2 DE19722213524 DE2213524A DE2213524B2 DE 2213524 B2 DE2213524 B2 DE 2213524B2 DE 19722213524 DE19722213524 DE 19722213524 DE 2213524 A DE2213524 A DE 2213524A DE 2213524 B2 DE2213524 B2 DE 2213524B2
Authority
DE
Germany
Prior art keywords
window tube
window
tube
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19722213524
Other languages
German (de)
Other versions
DE2213524C3 (en
DE2213524A1 (en
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.)
Filing date
Publication date
Application filed filed Critical
Publication of DE2213524A1 publication Critical patent/DE2213524A1/en
Publication of DE2213524B2 publication Critical patent/DE2213524B2/en
Application granted granted Critical
Publication of DE2213524C3 publication Critical patent/DE2213524C3/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE19722213524 1971-03-26 1972-03-20 Window tube Expired DE2213524C3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12833271A 1971-03-26 1971-03-26
US12833271 1971-03-26

Publications (3)

Publication Number Publication Date
DE2213524A1 DE2213524A1 (en) 1972-10-05
DE2213524B2 true DE2213524B2 (en) 1976-07-15
DE2213524C3 DE2213524C3 (en) 1977-03-17

Family

ID=

Also Published As

Publication number Publication date
NL7203716A (en) 1972-09-28
AU454030B2 (en) 1974-09-25
FR2130473B1 (en) 1973-06-29
SE380349B (en) 1975-11-03
GB1323271A (en) 1973-07-11
US3714565A (en) 1973-01-30
IL39027A (en) 1974-06-30
CH584897A5 (en) 1977-02-15
AU4018372A (en) 1973-09-27
DE2213524A1 (en) 1972-10-05
IL39027A0 (en) 1972-05-30
JPS5331389B1 (en) 1978-09-02
CA943190A (en) 1974-03-05
FR2130473A1 (en) 1972-11-03
ZA721897B (en) 1973-11-28
IT952314B (en) 1973-07-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8328 Change in the person/name/address of the agent

Free format text: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee