CA370280A
(fr )
1937-11-30
Emulsion d'asphalte
CA366928A
(fr )
1937-06-22
Asphalte
CA370411A
(fr )
1937-12-07
Emulsification du goudron
CA369992A
(fr )
1937-11-16
Asphalte de haute qualite
CA363897A
(fr )
1937-02-02
Asphalte a prise rapide
CA364324A
(fr )
1937-02-23
Pavage bitumineux
CA364323A
(fr )
1937-02-23
Pavage bitumineux
CA363190A
(fr )
1937-01-05
Composition bitumineuse
CA363095A
(fr )
1937-01-05
Fabrication d'hydrocarbures
CA364419A
(fr )
1937-03-02
Combinaison de cone et de cornet
CA363910A
(fr )
1937-02-02
Piece a raccommoder
CA364623A
(fr )
1937-03-09
Triple fiche
CA369611A
(fr )
1937-11-02
Chaudiere electrique
AU102941B2
(en )
1938-01-20
Ikonoscope
CA364296A
(fr )
1937-02-23
Telegraphone
CA393526A
(fr )
1940-12-31
Lustre
AU104717B2
(en )
1938-08-18
Ikonoscope
CA367686A
(fr )
1937-07-27
Creatographie
CA366243A
(fr )
1937-05-18
Instrument d'ajustage de portes, etc.
CA365792A
(fr )
1937-05-04
Tige a souder
CA364120A
(fr )
1937-02-16
Pompe a jet d'eau
CA366959A
(fr )
1937-06-22
Lustre
CA368312A
(fr )
1937-08-24
Fixation de ski
CA364486A
(fr )
1937-03-02
Lustre
CA365848A
(fr )
1937-05-04
Camera a boite