FR730154A
(en )
1932-08-06
Process for making starch bubbling in cold water
FR626817A
(en )
1927-09-20
Process for making water bacteriologically pure
FR570525A
(en )
1924-05-02
Process for the execution of reinforced concrete in water
FR546289A
(en )
1922-11-04
Process for the execution of elements of reinforced concrete structures, in aerial work
FR572545A
(en )
1924-06-07
Process and installation for the reuse and regeneration of swimming pool water
FR685624A
(en )
1930-07-12
Process for the electrolysis of sulphates dissolved in water
FR836220A
(en )
1939-01-12
Process for preventing the precipitation of hardeners contained in water
FR677671A
(en )
1930-03-13
Process for making water bacteriologically pure
FR665964A
(en )
1929-09-25
Process for water purification
FR517755A
(en )
1921-05-11
Process for removing vertical formwork in the construction of reinforced concrete structures
FR674874A
(en )
1930-02-03
Process for the establishment of reinforced concrete constructions
FR687275A
(en )
1930-08-06
Process for the recovery of phenols contained in gas washing water
FR497817A
(en )
1919-12-18
Process for the establishment of reinforced concrete constructions
FR583640A
(en )
1925-01-19
Removable formwork for the establishment of reinforced concrete walls and pillars
FR677662A
(en )
1930-03-13
Process for the activation of proteases
FR656947A
(en )
1929-05-15
Process for converting olefins with chlorine water into alkyl hydrochlorins
FR690559A
(en )
1930-09-23
Process and devices for water purification
FR720808A
(en )
1932-02-24
Process for the formation of joints in concrete roads
FR642650A
(en )
1928-08-31
Process to prevent the formation of scale formation in boilers
FR663023A
(en )
1929-08-14
Process for removing iron from bauxites or other aluminous ores
FR580566A
(en )
1924-11-10
Process for ridding water of the iron it contains
FR547205A
(en )
1922-12-04
Construction process for reinforced concrete buildings
FR47114E
(en )
1937-01-18
Metal formwork process for reinforced concrete eliminating the use of formwork props
FR546356A
(en )
1922-11-08
Reinforced concrete slabs and its execution process
FR668727A
(en )
1929-11-06
Process for the introduction of water vapor into luminescent tubes