FR717333A
(en )
1931-01-05
Sound absorbing material and method of making it
FR720424A
(en )
1932-02-19
Method and device for the manufacture of furfurol
FR724081A
(en )
1932-04-21
Method and material for dry cleaning
FR717141A
(en )
1932-01-04
Method and device for manufacturing hollow bodies of fibrous material
FR720219A
(en )
1932-02-17
Method and apparatus for the manufacture of cellulose
FR707925A
(en )
1931-07-16
Process for coating concrete constructions and suitable coating for carrying out this process
FR760653A
(en )
1934-02-28
Method and device for the production of fibrous pulp bodies
FR692243A
(en )
1930-10-31
Process and device for the manufacture of closed hollow bodies, in chocolate
FR722347A
(en )
1932-03-15
Method and apparatus for the manufacture of hollow bodies from slurry of fibrous materials
FR699564A
(en )
1931-02-17
Method and device for making hollow bodies from pulp of fibrous materials
FR38129E
(en )
1931-03-19
Insulating material and method of production thereof
FR679686A
(en )
1930-04-16
Device for manufacturing hollow bodies of pulp of fibrous material
FR688758A
(en )
1930-08-28
Method and apparatus for the manufacture of fibrous substances
FR714475A
(en )
1931-11-14
Process and device for the manufacture of acetaldehyde
FR702812A
(en )
1931-04-17
Clock and process for its manufacture
FR694244A
(en )
1930-12-01
Method and apparatus for the manufacture of clay bodies
FR607764A
(en )
1926-07-08
Method and apparatus for manufacturing slurry hollow bodies of fibrous material
FR711519A
(en )
1931-09-11
Method and machine for crushing materials of any hardness and structure
FR736999A
(en )
1932-12-05
Method and device for the manufacture of paper hollow bodies from pulps of fibrous materials
FR695871A
(en )
1930-12-23
Composition and manufacturing process of steels
FR580245A
(en )
1924-11-03
Method and device for cutting drawn hollow bodies
FR679025A
(en )
1930-04-08
Complete fertilizer and process for its manufacture
FR710375A
(en )
1931-08-21
Method and device for the manufacture of enveloping crowns
FR710997A
(en )
1931-09-01
Composition and process for the manufacture of artificial stone
FR657826A
(en )
1929-06-13
Clichés made of colloidal materials and process for their manufacture