CA476394A
(fr )
1951-08-28
Loquets de portes a rabattement arriere
CA466527A
(fr )
1950-07-11
Composes de soufre organique
CA470287A
(fr )
1950-12-26
Loquets de barrieres
AU145948B2
(en )
1951-03-15
Gate latch
AU3381550A
(en )
1951-03-15
Gate latch
CA465615A
(fr )
1950-06-06
Vanne
CA468673A
(fr )
1950-10-10
Arrets de portes
CA466479A
(fr )
1950-07-11
Aquarium
CA466783A
(fr )
1950-07-25
Porte a surfaces planes
CA462810A
(fr )
1950-01-31
Cystoscope
AU148095B2
(en )
1950-05-14
Transistor
CA469458A
(fr )
1950-11-21
Carcans
CA463819A
(fr )
1950-03-21
Mecanisme de declenche de fermeture
CA469382A
(fr )
1950-11-14
Loquets
CA467225A
(fr )
1950-08-08
Loquets
CA468674A
(fr )
1950-10-10
Loquets
AU147242B2
(en )
1950-07-13
Latches
CA470090A
(fr )
1950-12-12
Loquets
CA465043A
(fr )
1950-05-16
Barriere superieure de bout
CA470177A
(fr )
1950-12-19
Loquet
CA470176A
(fr )
1950-12-19
Loquet
CA468965A
(fr )
1950-10-24
Composes organiques a teneur d'azote
CA462708A
(fr )
1950-01-24
Suralimenteur pour plume de stylographe
CA469186A
(fr )
1950-11-07
Portes
AU3288350A
(en )
1950-05-14
Transistor