CH226168A
(en )
1943-03-15
Process for the production of erasable photographs.
CH205828A
(en )
1939-06-30
Process for the production of aluminum phthalocyanine.
AT131134B
(en )
1933-01-10
Process for making processed cheese.
CH160177A
(en )
1933-02-28
Process for making shaped articles.
CH175413A
(en )
1935-02-28
Process for making transparencies.
CH167530A
(en )
1934-02-28
Process for making color photographs.
CH154806A
(en )
1932-05-31
Process for making soda.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
AT144751B
(en )
1936-02-25
Method of making roads.
AT148705B
(en )
1937-02-25
Process for making pastries.
CH208878A
(en )
1940-02-29
Process for the preparation of 2-acetoacetylamino-5-methoxy-6-ethoxy-benzothiazole.
CH181103A
(en )
1935-11-30
Disinfection method.
AT134398B
(en )
1933-07-25
Process for the manufacture of bespoke footwear.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
AT132054B
(en )
1933-02-25
Process for the production of light-sensitive layers.
CH175521A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175519A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175526A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175525A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175524A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175523A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175522A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175528A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175530A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.
CH175529A
(en )
1935-02-28
Process for the preparation of an oxynaphthotriazole.