CA465358A
(fr )
1950-05-23
Construction de pieux
CA462183A
(fr )
1950-01-03
Dispositif actionne par tracteur pour la manutention d'objets
CA468044A
(fr )
1950-09-12
Acylaceto guanazoles
CA462583A
(fr )
1950-01-17
Structure de pelle
CA465093A
(fr )
1950-05-16
Perforateur a papier
CA469000A
(fr )
1950-10-31
Plasticiseurs
CA469058A
(fr )
1950-10-31
Contre-vitrage
CA467595A
(fr )
1950-08-29
Petoires
CA466085A
(fr )
1950-06-27
Cultivateur
AU150718B2
(en )
1950-10-05
Improved episcope
CA467118A
(fr )
1950-08-08
Enfile-aiguilles
CA468632A
(fr )
1950-10-10
Pulsometres
AU147273B2
(en )
1950-04-20
Vapourizers
CA468996A
(fr )
1950-10-31
Petechimetres
CA463495A
(fr )
1950-03-07
Betonniere
CA469082A
(fr )
1950-10-31
2-sulfanilamidopyrazine
CA466159A
(fr )
1950-06-27
Balistoscope
CA462705A
(fr )
1950-01-24
Appareil electrique d'equilibre
CA465876A
(fr )
1950-06-13
2-alkylidene-3-ceto-4-acylamidotetrahydrothiophene
CA469048A
(fr )
1950-10-31
Abrasifs
CA468587A
(fr )
1950-10-10
Photophones
CA468609A
(fr )
1950-10-10
Pompes a vis
CA467357A
(fr )
1950-08-15
Micromanometres
CA463474A
(fr )
1950-03-07
Hydroscope
AU145677B2
(en )
1950-09-21
Haircutters