CA498370A
(fr )
1953-12-15
Raccords de tuyaux
CA498108A
(fr )
1953-12-01
Joints de tuyaux
CA498138A
(fr )
1953-12-01
Joint soude
CA497644A
(fr )
1953-11-10
Joints impermeables au fluide
CA490153A
(fr )
1953-02-03
Joint de charpente
CA492368A
(fr )
1953-04-28
Joint
CA497091A
(fr )
1953-10-20
Joint
CA497280A
(fr )
1953-10-27
Machines a souder
CA492068A
(fr )
1953-04-14
Soudure par pression
CA513811A
(fr )
1955-06-14
Assemblage de joint
CA492280A
(fr )
1953-04-21
Systeme de soudure
CA490485A
(fr )
1953-02-10
Systeme de soudure
CA494530A
(fr )
1953-07-21
Joint de panneau pre-fabrique
CA490568A
(fr )
1953-02-17
Joint universel
CA481072A
(fr )
1952-02-12
Soudures
CA498019A
(fr )
1953-12-01
Joint oblique de rail
CA494469A
(fr )
1953-07-14
Epissure pour ficelle
CA494060A
(fr )
1953-06-30
Methode de soudure
CA492657A
(fr )
1953-05-05
Electrodes de soudure
CA489637A
(fr )
1953-01-13
Electrodes de soudure
CA492034A
(fr )
1953-04-14
Appareil a soudure
AU161704B2
(en )
1953-07-02
Rotary joint
CA495691A
(fr )
1953-09-01
Joints a dilatation
CA480193A
(fr )
1952-01-15
Fondants a soudure
CA497333A
(fr )
1953-11-03
Joint de rail pour genre de rail a tete en v