FR587222A
(en )
1925-04-14
Improvements in processes and apparatus intended for the manufacture of artificial fibers or filaments
FR39394E
(en )
1931-10-19
Improvements in processes and apparatus for the manufacture of artificial filaments or threads
FR731583A
(en )
1932-09-05
Improvements in apparatus for treating artificial threads, filaments and the like
FR685980A
(en )
1930-07-21
Improvements in processes and apparatus for the manufacture of artificial filaments or threads
FR737506A
(en )
1932-12-13
Improvements to machines and apparatus for shaping coated threads or bands and intended in particular for the manufacture of filaments for lamps and similar articles
FR667209A
(en )
1929-10-14
Improvements in the manufacture of artificial filaments or threads
FR31497E
(en )
1927-03-14
Improvements in processes and apparatus intended for the manufacture of artificial threads or filaments
FR661810A
(en )
1929-07-30
Improvements in processes and apparatus for the production of artificial filaments or threads
FR720219A
(en )
1932-02-17
Method and apparatus for the manufacture of cellulose
FR44474E
(en )
1935-02-02
Method and apparatus for the manufacture of artificial threads
FR656068A
(en )
1929-04-26
Improvements in apparatus for the manufacture of artificial threads or filaments
FR581774A
(en )
1924-12-05
Improvements in processes and apparatus intended for the manufacture of artificial threads or filaments
FR642472A
(en )
1928-08-29
Improvements to processes and apparatus for the manufacture of yarns or threads
FR36751E
(en )
1930-09-13
Improvements in processes and apparatus for the manufacture of artificial threads or filaments
FR686331A
(en )
1930-07-24
Improvements in apparatus for the manufacture of artificial filaments or fibers
FR587184A
(en )
1925-04-14
Improvements in processes and apparatus intended for the manufacture of artificial threads or filaments
FR681381A
(en )
1930-05-14
Improvements in processes and apparatus for the manufacture of artificial threads and textile products
FR725754A
(en )
1932-05-18
Improvement in the manufacturing process of perforated tapes, and apparatus for its application
FR680642A
(en )
1930-05-02
Process for the manufacture of marbled and chamarred glasses
FR700722A
(en )
1931-03-06
Improvements in the manufacture and production of artificial threads and of the apparatus used for this manufacture
FR732468A
(en )
1932-09-21
Improvements in processes and apparatus for the manufacture of rubber filaments
FR673544A
(en )
1930-01-16
Improvements in artificial filaments, films, films and the like and process for their manufacture
FR675628A
(en )
1930-02-12
Improvements in processes and apparatus for the mechanical drawing of very fine threads, in particular artificial silk threads
FR615879A
(en )
1927-01-18
Improvements in processes and apparatus for the manufacture of cellulose acetate
FR37243E
(en )
1930-11-03
Improvement in apparatus and processes for the concentration of minerals