CH226040A
(en )
1943-03-15
Process for producing lettering printing.
CH226168A
(en )
1943-03-15
Process for the production of erasable photographs.
CH205828A
(en )
1939-06-30
Process for the production of aluminum phthalocyanine.
CH201976A
(en )
1938-12-31
Process for the production of intaglio printing plates and photographic slide which can be used in this process.
CH182746A
(en )
1936-02-29
High gloss, effective image printing and process for producing the same.
DK50926C
(en )
1935-11-18
Process for the Preparation of 4-Alkyl and 4-Aralkylcyclohexanediones (1,3).
CH189156A
(en )
1937-05-01
Process for the production of security paper.
SU44673A1
(en )
1935-10-31
The method of preparation of synthetic rubber
CH185928A
(en )
1936-08-31
Device for making butter.
CH205677A
(en )
1939-06-30
Process for making porous supports.
CH181265A
(en )
1935-12-15
Process for the production of flat and offset printing plates.
CH160188A
(en )
1933-02-28
Facility for the production of print-ready clichés.
AT144651B
(en )
1936-02-25
Process for the production of water-dilutable gravure printing inks.
CH189556A
(en )
1937-02-28
Process for the preparation of 2,4-dinitro-3,6-dichloroaniline.
CH189508A
(en )
1937-02-28
Process for the preparation of 3-acetyl-cis-androstandiol-3,17.
AT144791B
(en )
1936-02-25
Process for producing color photocopies, as well as receiving cassette and copying frame for carrying out the same.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
CH232632A
(en )
1944-06-15
Process for producing color photographic images.
CH220509A
(en )
1942-04-15
Process for the production of printing plates, in particular planographic printing and offset printing plates.
CH167530A
(en )
1934-02-28
Process for making color photographs.
CH187762A
(en )
1936-11-30
Machine for making tires.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
CH208878A
(en )
1940-02-29
Process for the preparation of 2-acetoacetylamino-5-methoxy-6-ethoxy-benzothiazole.
CH219650A
(en )
1942-02-28
Process for preparing 5,6-pregnentriol-3,17,20.
AT155625B
(en )
1939-02-25
Process for the production of copolymers.