CA380592A
(en )
1939-04-11
Filament, film and ribbon manufacture
CA375011A
(en )
1938-07-12
Filament, ribbon and film manufacture
CA380742A
(en )
1939-04-11
Filament, thread and film manufacture
CA381344A
(en )
1939-05-09
Filament, thread, ribbon and film saponification
CA379012A
(en )
1939-01-17
Filament, yarn and ribbon manufacture
CA373406A
(en )
1938-04-26
Film, foil and ribbon manufacture
CA373106A
(en )
1938-04-12
Filament and ribbon manufacture
CA376317A
(en )
1938-09-06
Filament, thread and ribbon manufacture
CA380718A
(en )
1939-04-11
Filament, yarn and foil manufacture
CA356973A
(en )
1936-03-31
Thread, film and ribbon manufacture
CA388444A
(en )
1940-04-30
Filament, ribbon and film processing
CA388478A
(en )
1940-05-07
Filament, yarn and film manufacture
CA383765A
(en )
1939-09-05
Filament and foil manufacture
CA374303A
(en )
1938-06-07
Filament, yarn or film manufacture
CA340673A
(en )
1934-04-10
Film, filament and ribbon manufacture
CA340674A
(en )
1934-04-10
Film, filament and ribbon manufacture
CA371700A
(en )
1938-02-01
Filament, thread and film production
CA350665A
(en )
1935-06-04
Filament, thread, ribbon and film manufacture
CA350799A
(en )
1935-06-11
Filament, thread, film and ribbon manufacture
CA377845A
(en )
1938-11-22
Delustred filament and film manufacture
CA367253A
(en )
1937-07-06
Yarn, foil and film manufacture
CA386232A
(en )
1940-01-09
Filament, foil and film manufacture
CA364022A
(en )
1937-02-09
Filament, thread and ribbon manufacture
CA367252A
(en )
1937-07-06
Filament, thread and ribbon manufacture
CA379329A
(en )
1939-01-31
Filament and yarn manufacture