CA376021A
(fr )
1938-08-23
Depilatoire
CA373792A
(fr )
1938-05-17
Bouche-pores
CA377882A
(fr )
1938-11-22
Alcool tertiaire
CA373993A
(fr )
1938-05-24
Hydrogenation d'alcool
CA374123A
(fr )
1938-05-31
Procede de deshydrogenation
CA376761A
(fr )
1938-09-27
Catalyseur de deshydrogenation
CA373078A
(fr )
1938-04-12
Recuperation d'alcool
CA376250A
(fr )
1938-09-06
Purification d'alcool
CA374187A
(fr )
1938-06-07
Production d'alcool
CA378974A
(fr )
1939-01-17
Alcool d'olefines
CA373995A
(fr )
1938-05-24
Hydrogenation et deshydrogenation
CA376835A
(fr )
1938-10-04
Telegraphone
CA373186A
(fr )
1938-04-19
Moissonneuse-batteuse
CA375577A
(fr )
1938-08-02
Piano-violon
CA375883A
(fr )
1938-08-16
Fusee-turbine
CA377050A
(fr )
1938-10-11
Arsenobenzene-mono-sulfoxylate
CA374530A
(fr )
1938-06-21
Plaque a poncer
CA378461A
(fr )
1938-12-20
Etai de mine
CA373724A
(fr )
1938-05-10
Petrin
AU106979B2
(en )
1939-03-30
Suspensories
CA374408A
(fr )
1938-06-14
Photosculpture
CA373588A
(fr )
1938-05-03
Flan photographique
CA374498A
(fr )
1938-06-21
Oxazole-trimethinecyanine
CA377051A
(fr )
1938-10-11
Arsenobenzene-mono-sulfoxylate
CA374585A
(fr )
1938-06-21
Defecateur