FR837555A
(en )
1939-02-14
Method and device for the production of artificial fibers
FR50772E
(en )
1941-03-26
Method and device for the production of artificial fibers
FR842137A
(en )
1939-06-06
Method and device for artificial fertilization or inoculation of plants
FR830297A
(en )
1938-07-25
Method and device for anesthesia
FR778907A
(en )
1935-03-26
Method and device for the extraction of vegetable matter
FR837679A
(en )
1939-02-15
Method and device for the production of artificial mists
FR848932A
(en )
1939-11-09
Method and device for the formation of artificial smoke
FR836834A
(en )
1939-01-26
Method and device for electrolysis
FR834921A
(en )
1938-12-06
Method and device for extracting clods of plastic earth
FR812232A
(en )
1937-05-03
Fermentation device for self-purification and transformation into fertilizer of all plant, animal and similar wastes
FR1067922A
(en )
1954-06-21
Device for the individual cultivation of plants according to the culture method in water
FR759436A
(en )
1934-02-01
Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones
FR51216E
(en )
1941-12-20
Method and device for the continuous evaluation of the values of functions of several independent variables
FR838317A
(en )
1939-03-02
Artificial substances containing nitrogen and process for preparing such substances
FR849673A
(en )
1939-11-29
Method and device for the production of urea
FR828164A
(en )
1938-05-11
Dental fittings for the manufacture of dentures and method and device for obtaining such fittings
FR824350A
(en )
1938-02-07
Method and device for watering trickling filters
FR815505A
(en )
1937-07-13
Method and device for obtaining artificial wood
FR884867A
(en )
1943-08-30
Method for the vegetative growth of plants
FR838171A
(en )
1939-02-28
Process for the preparation and application of alkylene trithiocarbonates
FR837489A
(en )
1939-02-10
Method and device for the preparation of clay
FR735848A
(en )
1932-11-16
Method and device for electrocution of animals
FR826106A
(en )
1938-03-23
Method and device for the manufacture of fertilizers containing phosphoric acid
FR756242A
(en )
1933-12-06
Process for improving the effectiveness of plant insecticides
FR750977A
(en )
1933-08-24
Method and device for obtaining magnesium-metal