FR842524A
(en )
1939-06-14
Improvements to brush holder nozzles for vacuum cleaning devices
FR836152A
(en )
1939-01-12
Process and apparatus for vacuum generation
FR825131A
(en )
1938-02-24
Improvements to processes for degreasing and cleaning fabrics, and apparatus for carrying them out
FR834938A
(en )
1938-12-06
Improvements to processes and apparatus for high vacuum production
FR42208E
(en )
1933-06-15
Improvements to processes and apparatus for detecting defects in electrical conductors
FR49365E
(en )
1939-03-24
Improvements to processes and apparatus for cleaning clothing and fabrics
FR908354A
(en )
1946-04-08
Improvements to processes and apparatus for drying wet yarns
FR851325A
(en )
1940-01-06
Improvements to finished surfaces and to processes and apparatus for surface finishing
FR834846A
(en )
1938-12-02
Method for washing and cleaning fabrics, and apparatus using this method
FR661660A
(en )
1929-07-29
Improvements to molded objects and to the processes and apparatus for manufacturing them
FR699404A
(en )
1931-02-14
New methods and apparatus for working glass surfaces and the like
FR844375A
(en )
1939-07-24
Method for collecting dichlorohydrin solutions
FR830870A
(en )
1938-08-11
Process for collecting aromatic hydrocarbons
FR819708A
(en )
1937-10-26
Improvements to the process and apparatus for drying and incinerating waste or residues
FR823147A
(en )
1938-01-14
Process for collecting hydrocarbons
FR680048A
(en )
1930-04-24
Improvements to bearings and processes and apparatus for manufacturing them
FR825522A
(en )
1938-03-04
Improvements to the edges of fabrics and method of establishing them
FR841958A
(en )
1939-06-02
Improvement in hollow glass blocks and methods and apparatus for their manufacture
FR842545A
(en )
1939-06-14
Improvements in processes and apparatus for treating hydrocarbons
AU1693124A
(en )
1925-01-20
Improvements in apparatus for extracting liquids from textile materials inthe cleaning thereof
FR847935A
(en )
1939-10-19
Improvements in apparatus for drying materials and, in particular, very humid materials
FR48574E
(en )
1938-04-05
Improvements in processes to suppress dust
FR843538A
(en )
1939-07-05
Improvements in processes and equipment for heat treatments
FR718857A
(en )
1932-01-29
Improvements in methods and apparatus for manufacturing vitreous articles
FR555176A
(en )
1923-06-26
Improvements to processes and apparatus for dust extraction