CA375011A
(en )
1938-07-12
Filament, ribbon and film manufacture
CA380592A
(en )
1939-04-11
Filament, film and ribbon manufacture
CA373106A
(en )
1938-04-12
Filament and ribbon manufacture
CA373406A
(en )
1938-04-26
Film, foil and ribbon manufacture
CA376317A
(en )
1938-09-06
Filament, thread and ribbon manufacture
CA377845A
(en )
1938-11-22
Delustred filament and film manufacture
CA374303A
(en )
1938-06-07
Filament, yarn or film manufacture
CA373126A
(en )
1938-04-12
Filament and film production
CA371700A
(en )
1938-02-01
Filament, thread and film production
CA380742A
(en )
1939-04-11
Filament, thread and film manufacture
CA340673A
(en )
1934-04-10
Film, filament and ribbon manufacture
CA340674A
(en )
1934-04-10
Film, filament and ribbon manufacture
CA379012A
(en )
1939-01-17
Filament, yarn and ribbon manufacture
CA388478A
(en )
1940-05-07
Filament, yarn and film manufacture
CA388444A
(en )
1940-04-30
Filament, ribbon and film processing
CA374824A
(en )
1938-07-05
Filament, yarn and ribbon production
CA381344A
(en )
1939-05-09
Filament, thread, ribbon and film saponification
CA356973A
(en )
1936-03-31
Thread, film and ribbon manufacture
CA386232A
(en )
1940-01-09
Filament, foil and film manufacture
CA392094A
(en )
1940-10-22
Filament and film manufacture
CA374939A
(en )
1938-07-05
Ribbon
CA390201A
(en )
1940-07-23
Coloured filament, yarn and film manufacture
CA389050A
(en )
1940-05-28
Filament, fabric and film production
CA364022A
(en )
1937-02-09
Filament, thread and ribbon manufacture
CA367252A
(en )
1937-07-06
Filament, thread and ribbon manufacture