CA483528A
(fr )
1952-05-27
Extirpateur
CA486469A
(fr )
1952-09-16
Cure-casserole
CA488698A
(fr )
1952-12-09
Epoxyethers
CA483313A
(fr )
1952-05-20
Barre d'attelage de surete
CA482339A
(fr )
1952-04-08
Chambre d'air de surete
CA481933A
(fr )
1952-03-25
Coupe-tuyaux
CA481302A
(fr )
1952-02-26
Epissoir
CA483711A
(fr )
1952-06-03
1-fluoro-2-tetradecanone
CA487869A
(fr )
1952-11-11
2-aminopyrroline-n-oxydes
CA486662A
(fr )
1952-09-23
Chevaux de bois
CA495041A
(fr )
1953-08-04
Tube de surete
CA480282A
(fr )
1952-01-15
Fermeture de tube
CA481290A
(fr )
1952-02-26
Masque respiratoire
CA481507A
(fr )
1952-03-04
Chambres a air
CA485558A
(fr )
1952-08-12
Echafaud
CA480616A
(fr )
1952-01-29
Ensemble d'ajustage de tuyaux
CA481244A
(fr )
1952-02-19
Meule a moulin
CA481703A
(fr )
1952-03-11
Aspirateur-netfoyeur
CA488926A
(fr )
1952-12-16
Capsulateur
CA482080A
(fr )
1952-04-01
Scie de long
CA488013A
(fr )
1952-11-11
Superregenerateur
CA484864A
(fr )
1952-07-15
Matieres colorantes disazoiques
CA483809A
(fr )
1952-06-03
Pyrrolidinoalkylphenothiazines
CA487771A
(fr )
1952-11-04
Photovision
CA480463A
(fr )
1952-01-22
1-acetyle-2-methyle-2-chloromethylcyclopropane