CA446842A
(fr )
1948-02-24
Dispositif protecteur d'isolation
CA446935A
(fr )
1948-03-02
Crochet
CA447101A
(fr )
1948-03-09
Cuiller de peche
CA448635A
(fr )
1948-05-25
Cadre de havresac
CA449951A
(fr )
1948-07-20
Isolement
CA451205A
(fr )
1948-09-14
Isolement
CA451209A
(fr )
1948-09-14
Dispositif d'isolement
CA449022A
(fr )
1948-06-08
Interrupteur
CA447031A
(fr )
1948-03-02
Coupe-circuit
CA453308A
(fr )
1948-12-14
Structure d'interrupteur
CA450326A
(fr )
1948-08-03
Radiateur electrique
CA449075A
(fr )
1948-06-15
Garde-lampe
CA453573A
(fr )
1948-12-21
Assemblage d'interrupteur
CA448727A
(fr )
1948-05-25
Matiere isolante
CA448838A
(fr )
1948-06-01
Sulfanilamidophenol substitue
CA447899A
(fr )
1948-04-20
Porte-chapeau
CA450965A
(fr )
1948-08-31
Tetrahydrofurfuryl-alpha-chloroacrylate
CA453702A
(fr )
1948-12-28
Pierre abrasive
CA453701A
(fr )
1948-12-28
Pierre abrasive
CA445932A
(fr )
1948-01-06
Metier a tisser a la main
CA446250A
(fr )
1948-01-20
Morpholino-guanamines
AU144939B2
(en )
1949-01-13
Clothes-Pegs
CA447020A
(fr )
1948-03-02
P-aminobenzene-sulphonamide
CA452159A
(fr )
1948-10-26
Scellement de conduit d'entree
CA447937A
(fr )
1948-04-20
Aryle-dicyandiamide