FR685978A
(en )
1930-07-21
Improvements in the manufacture or treatment of artificial threads or filaments
FR686330A
(en )
1930-07-24
Improvements in the treatment of artificial filaments, yarns or threads
FR716671A
(en )
1931-12-24
Improvements in the treatment of artificial materials
FR666897A
(en )
1929-10-07
Improvements in the manufacture of artificial filaments and similar products
FR702509A
(en )
1931-04-10
Improvements in spinning of artificial filaments and similar materials
FR696549A
(en )
1930-12-31
Improvements in carding rolls and the like used in carding, combing, drawing and the like processing of fibrous materials
FR655519A
(en )
1929-04-19
Improvements in spinning of artificial silk and the like
FR683063A
(en )
1930-06-05
Improvements in the spinning of artificial silk threads
FR669464A
(en )
1929-11-16
Improvements in spinning of artificial silk and similar textile materials
FR628361A
(en )
1927-10-22
Developments in spinning spindles and the like
FR677291A
(en )
1930-03-06
Improvements in the treatment of artificial silk threads and filaments
ES113388A1
(en )
1929-08-01
Perfeccionamientos in the continuous of spinning and twisting.
FR681060A
(en )
1930-05-09
Improvements in the treatment of artificial materials
FR621847A
(en )
1927-05-18
Improvements in artificial silk spinning machines and similar spinning machines
FR702149A
(en )
1931-03-30
Improvements in the treatment of ores and similar materials
FR661574A
(en )
1929-07-26
Improvements in spinning of artificial silk or the like
FR690406A
(en )
1930-09-19
Improvements in the treatment of textile materials
FR677262A
(en )
1930-03-06
Improvements in the treatment of materials containing natural silk
FR675354A
(en )
1930-02-10
Improvements in the treatment of cellulosic materials
FR36935E
(en )
1930-09-06
Improvements in the treatment of cellulosic materials
FR702353A
(en )
1931-04-07
Improvements in the treatment of cellulosic materials
FR631637A
(en )
1927-12-23
Improvements in the manufacture of artificial silk and similar materials
FR830590A
(en )
1938-08-03
Improvements in spinning and winding of elastic filaments
FR633957A
(en )
1928-02-07
Improvements in the manufacture of artificial threads and filaments
FR671855A
(en )
1929-12-19
Improvements in the treatment of artificial silk threads and filaments using fluids