FR39410E
(en )
1931-10-19
Improvements in the manufacture of artificial filaments, yarns or threads
FR717832A
(en )
1932-01-14
Improvements in the manufacture, production and processing of artificial threads, artificial filaments, etc.
FR677734A
(en )
1930-03-13
Improvements in the manufacture of artificial filaments, threads and films
FR845519A
(en )
1939-08-25
Improvements in the manufacture of artificial filaments, threads and the like
FR681038A
(en )
1930-05-08
Improvements in artificial filaments, yarns or threads and their manufacture
FR757224A
(en )
1933-12-21
Improvements in the manufacture or treatment of artificial filaments, threads, yarns, ribbons and the like
FR750550A
(en )
1933-08-11
Improvements in the manufacture of filaments, yarns, fabrics and the like
FR44195E
(en )
1934-11-20
Improvements in the manufacture of artificial filaments, yarns or threads
FR667209A
(en )
1929-10-14
Improvements in the manufacture of artificial filaments or threads
FR757025A
(en )
1933-12-19
Improvements in yarn manufacturing
FR700712A
(en )
1931-03-06
Improvements relating to the manufacture of filaments, threads, etc. artificial
FR664064A
(en )
1929-08-29
Improvements in the manufacture of artificial threads or filaments
FR763515A
(en )
1934-05-02
Improvements in the manufacture of threads or yarns in fibers
FR790665A
(en )
1935-11-25
Improvements in the manufacture of yarns or filaments of rayon or the like
FR830677A
(en )
1938-08-05
Improvements in the industries used in the manufacture of yarns, filaments and similar artificial articles
FR752726A
(en )
1933-09-29
Improvements in the manufacture of artificial filaments, threads, ribbons, etc.
FR42454E
(en )
1933-07-31
Improvements in the manufacture of artificial filaments or threads
FR805783A
(en )
1936-11-28
Improvements in the manufacture and production of artificial threads, filaments and similar articles
FR677260A
(en )
1930-03-06
Improvements in the manufacture of artificial threads or filaments
FR689135A
(en )
1930-09-02
Improvements in the manufacture of artificial yarns, threads or filaments
FR678400A
(en )
1930-03-21
Improvements in the manufacture of artificial filaments or threads
FR786561A
(en )
1935-09-05
Improvements in rayon yarns and in the manufacture of said rayon yarns
FR728345A
(en )
1932-07-04
Improvements in the manufacture of threads, filaments, ribbons, etc., in artificial materials
FR845126A
(en )
1939-08-11
Improvements in the manufacture of artificial viscose filaments
FR732364A
(en )
1932-09-19
Improvements in the manufacture of artificial filaments