FR686330A
(en )
1930-07-24
Improvements in the treatment of artificial filaments, yarns or threads
FR685978A
(en )
1930-07-21
Improvements in the manufacture or treatment of artificial threads or filaments
FR690214A
(en )
1930-09-17
Nozzle for the production of artificial silk and in particular for viscose silk
FR696211A
(en )
1930-12-27
Thread guide for artificial silk spinning
FR683063A
(en )
1930-06-05
Improvements in the spinning of artificial silk threads
FR680493A
(en )
1930-05-01
Improvements in the manufacture of artificial silk threads
FR705179A
(en )
1931-06-02
Improvements in the production of artificial silk threads
FR680492A
(en )
1930-05-01
Improvements in the manufacture of artificial silk threads
FR702509A
(en )
1931-04-10
Improvements in spinning of artificial filaments and similar materials
FR677291A
(en )
1930-03-06
Improvements in the treatment of artificial silk threads and filaments
FR640554A
(en )
1928-07-17
Improvements to the liquid treatment of artificial silk threads
FR730559A
(en )
1932-08-18
Improvements to the doubling of threads or filaments
FR669756A
(en )
1929-11-20
Improvements to the liquid treatment of artificial silk threads or filaments
FR621182A
(en )
1927-05-06
Dispenser applicable in particular to the winding of recently spun artificial silk
FR693574A
(en )
1930-11-21
Method of drawing artificial silk threads
FR665334A
(en )
1929-09-17
Improvements in the manufacture of artificial silk threads
FR677918A
(en )
1930-03-17
Improvements in the treatment of artificial silk threads and filaments with fluids
FR667322A
(en )
1929-10-15
Improvements in the treatment of artificial silk
FR679664A
(en )
1930-04-16
processing in the spinning of artificial silk
FR676208A
(en )
1930-02-20
Improvements in the manufacture of artificial silk threads and the like
FR679823A
(en )
1930-04-17
Improvement in the treatment of artificial silk
FR667990A
(en )
1929-10-25
Artificial silk dry-spinning improvements
FR677802A
(en )
1930-03-14
Improvements in the treatment of artificial silk fibers
FR608834A
(en )
1926-08-03
Improvement in the device for crossing silk threads in spinning
FR699619A
(en )
1931-02-18
Improvements to artificial silk spinning