FR39410E
(en )
1931-10-19
Improvements in the manufacture of artificial filaments, yarns or threads
FR677734A
(en )
1930-03-13
Improvements in the manufacture of artificial filaments, threads and films
FR685978A
(en )
1930-07-21
Improvements in the manufacture or treatment of artificial threads or filaments
FR692241A
(en )
1930-10-31
Improvements in the manufacture of yarns or threads of fibrous substances
FR681038A
(en )
1930-05-08
Improvements in artificial filaments, yarns or threads and their manufacture
FR667209A
(en )
1929-10-14
Improvements in the manufacture of artificial filaments or threads
FR37857E
(en )
1931-02-04
Improvements in the manufacture of artificial materials obtained by spinning
FR664064A
(en )
1929-08-29
Improvements in the manufacture of artificial threads or filaments
FR755621A
(en )
1933-11-27
Improvements in the manufacture or treatment of artificial filaments
FR677260A
(en )
1930-03-06
Improvements in the manufacture of artificial threads or filaments
FR678400A
(en )
1930-03-21
Improvements in the manufacture of artificial filaments or threads
FR697725A
(en )
1931-01-21
Improvements in the manufacture of artificial filaments or threads
FR697427A
(en )
1931-01-16
Improvements in the manufacture of artificial filaments or threads
FR697216A
(en )
1931-01-13
Improvements in the manufacture of artificial filaments or threads
FR681759A
(en )
1930-05-19
Improvements in the manufacture of artificial filaments
FR44195E
(en )
1934-11-20
Improvements in the manufacture of artificial filaments, yarns or threads
FR689135A
(en )
1930-09-02
Improvements in the manufacture of artificial yarns, threads or filaments
FR687471A
(en )
1930-08-08
Improvements in the manufacture of artificial materials
FR665334A
(en )
1929-09-17
Improvements in the manufacture of artificial silk threads
FR597395A
(en )
1925-11-19
Improvements in the manufacture of artificial threads
FR732364A
(en )
1932-09-19
Improvements in the manufacture of artificial filaments
FR684144A
(en )
1930-06-21
Improvements in the manufacture of artificial materials
FR633957A
(en )
1928-02-07
Improvements in the manufacture of artificial threads and filaments
FR684411A
(en )
1930-06-25
Improvements in the manufacture of artificial filaments
FR659342A
(en )
1929-06-27
Improvements in the manufacture of artificial silk