CA371770A
(fr )
1938-02-08
Production d'hormones
CA371768A
(fr )
1938-02-08
Production d'hormones
CA373792A
(fr )
1938-05-17
Bouche-pores
CA371766A
(fr )
1938-02-08
Production d'hydrates d'hormones
CA372321A
(fr )
1938-03-08
Production de sulphone-ethylamines
CA373156A
(fr )
1938-04-12
Production de chloro-amines
CA377877A
(fr )
1938-11-22
Production de demi-tons
CA378322A
(fr )
1938-12-13
Fabrication de liens en papier
CA375990A
(fr )
1938-08-23
Fabrication de biiodoacetylene
CA371739A
(fr )
1938-02-01
Production de ciment
CA374809A
(fr )
1938-07-05
Fabrication de dissolutions
CA373472A
(fr )
1938-05-03
Preparation d'hormones
CA377137A
(fr )
1938-10-18
Production de para-cresol
CA376915A
(fr )
1938-10-04
Procede a traiter les matieres d'egout
CA376179A
(fr )
1938-09-06
Compose d'hormones
CA374662A
(fr )
1938-06-28
Dibenzoxacarbocyanine
CA373186A
(fr )
1938-04-19
Moissonneuse-batteuse
CA374409A
(fr )
1938-06-14
Photosculpture
CA377533A
(fr )
1938-11-08
Pentamethine-omega-aldehyde
CA374585A
(fr )
1938-06-21
Defecateur
CA374408A
(fr )
1938-06-14
Photosculpture
CA372770A
(fr )
1938-03-29
Telegraphone
CA375577A
(fr )
1938-08-02
Piano-violon
CA378461A
(fr )
1938-12-20
Etai de mine
CA374410A
(fr )
1938-06-14
Defecateur