CA477801A
(fr )
1951-10-16
Attaches
CA467199A
(fr )
1950-08-08
Dispositifs d'attache
CA468044A
(fr )
1950-09-12
Acylaceto guanazoles
CA470414A
(fr )
1950-12-26
Fermetures eclair
CA464796A
(fr )
1950-05-02
Attache
CA468530A
(fr )
1950-10-03
Agrafes
CA467484A
(fr )
1950-08-22
Attaches chirurgicales
CA468584A
(fr )
1950-10-10
Fermetures eclair
CA465093A
(fr )
1950-05-16
Perforateur a papier
CA469000A
(fr )
1950-10-31
Plasticiseurs
CA467595A
(fr )
1950-08-29
Petoires
CA469058A
(fr )
1950-10-31
Contre-vitrage
CA463619A
(fr )
1950-03-07
Attache
CA466941A
(fr )
1950-08-01
Fermetures a agrafes et glissieres
CA467842A
(fr )
1950-09-05
Agrafes eclair
CA477887A
(fr )
1951-10-16
Fermetures eclair
CA475415A
(fr )
1951-07-17
Fermetures-eclair
CA474598A
(fr )
1951-06-19
Fermeture eclair
AU151902B2
(en )
1951-02-22
A slide for slide fasteners
AU154839B2
(en )
1951-12-06
Improvements in sliding fasteners
CA465387A
(fr )
1950-05-23
Regle a calculer
AU3881850A
(en )
1951-02-22
A slide for slide fasteners
CA463495A
(fr )
1950-03-07
Betonniere
CA468587A
(fr )
1950-10-10
Photophones
CA462705A
(fr )
1950-01-24
Appareil electrique d'equilibre