FR773068A
(en )
1934-11-10
Method and apparatus for the distillation of solid substances
FR746543A
(en )
1933-05-30
Method and apparatus for the preparation and regeneration of activated carbon
FR756202A
(en )
1933-12-06
Method and apparatus for the manufacture of shotguns
FR799442A
(en )
1936-06-12
Method and apparatus for the production of fumes
FR787769A
(en )
1935-09-28
Method and apparatus for the production of activated carbon
FR594171A
(en )
1925-09-08
Method and apparatus for the production of activated carbon
FR765716A
(en )
1934-06-14
Process for the preparation of activated carbon
FR770677A
(en )
1934-09-18
Process and apparatus for preparing the purification and artificial aging of hydrocarbons
FR610042A
(en )
1926-08-28
Method and apparatus for the production of activated carbon
FR773877A
(en )
1934-11-27
Method and apparatus for the combustion of organic waste
FR778929A
(en )
1935-03-26
Process for preparing and regenerating activated carbon
FR708781A
(en )
1931-07-28
Method and apparatus for the distillation of hydrocarbons
FR753316A
(en )
1933-10-13
Method and apparatus for the purification of zinc
FR752690A
(en )
1933-09-28
Method and apparatus for the purification of hydrocarbons
FR666472A
(en )
1929-10-02
Process for the preparation of activated carbon
FR813671A
(en )
1937-06-07
Method and apparatus for the refining and clarification of the sacchaiferous substance
FR666365A
(en )
1929-10-01
Process for the preparation of activated carbon
FR645602A
(en )
1928-10-29
Process for the preparation of activated carbon
FR728363A
(en )
1932-07-05
Method and apparatus for the preparation of ores and the like by floating
FR803303A
(en )
1936-09-28
Method and apparatus for the purification of gas generator gas and the like
FR768243A
(en )
1934-08-02
Method and apparatus for the purification of oils
FR782375A
(en )
1935-06-04
Process for the preparation, purification and concentration of estrogenic substances
FR750183A
(en )
1933-08-05
Method and apparatus for the continuous distillation of magnesium
FR764813A
(en )
1934-05-29
Method and apparatus for the electrochemical treatment of hydrocarbons
FR47028E
(en )
1936-11-30
Method and apparatus for treating carbonaceous materials distillable by hydrogenating gases