FR687395A
(en )
1930-08-07
Device for removing distillation products from the lower part of vertical degassing spaces
FR687244A
(en )
1930-08-06
Device for removing distillation products from the lower part of degassing chambers
FR681359A
(en )
1930-05-14
Products for the destruction of animals
FR668501A
(en )
1929-11-04
Device for the recovery of volatile products from the distillation of hydrocarbon materials
FR678850A
(en )
1930-04-04
Sprayer-projector device for coating or other products
FR648327A
(en )
1928-12-07
Centrifugal diffuser for spreading road maintenance products
FR650738A
(en )
1929-01-12
Process for the chlorination of hydrocarbons and products obtained by this process
DK42999C
(en )
1930-09-22
Device for the removal of distillation products from the lower part of vertical gasification chambers.
FR654793A
(en )
1929-04-10
Process for making soap flakes or the like
BE363370A
(en )
1929-09-30
Products for the destruction of animals
FR682987A
(en )
1930-06-04
Improvements to oil extraction processes from plant products
FR740422A
(en )
1933-01-26
Device for the clarification of products coming out of extractors or other similar devices
FR634855A
(en )
1928-03-01
Discharge device for horizontal or inclined gasification or distillation chamber
FR650573A
(en )
1929-01-10
Process for the separation of oils from their mixtures with solid substances
FR678328A
(en )
1930-03-21
Process for the extraction of valuable liquid products from coals of various categories, etc.
FR557180A
(en )
1923-08-04
Process for automatically extracting from documentation the totalization of certain facts
BE397442A
(en )
1933-08-31
Apparatus for the separation of sedimentary matter from waste water
FR647423A
(en )
1928-11-23
Device for recovering volatile products
FR672011A
(en )
1929-12-21
Method for the separation by filtration of visible rays from ultraviolet rays
FR644532A
(en )
1928-10-09
Process for the improvement and enhancement by recovery of certain manufactured products
FR661631A
(en )
1929-07-27
Device for drying potatoes or similar products
FR641312A
(en )
1928-08-01
Process for improving the quality of natural hydrocarbon distillation products
FR681387A
(en )
1930-05-14
Process for the quantitative separation of 2.3- and 2.5-dihalogen-4-amino-1-methylbenzenes
FR566713A
(en )
1924-02-19
Device for the evacuation of combustion products
FR683070A
(en )
1930-06-05
Process for the preparation of the primary hydrogenation products of mothballs