CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH282375A
(en )
1952-04-30
Process for the preparation of organohalosilanes.
CH292033A
(en )
1953-07-31
Process for the manufacture of spinnerets.
CH294685A
(en )
1953-11-30
Process for the production of α-manganese dioxide.
CH257484A
(en )
1948-10-15
Grinding wheel and method of making the same.
CH284156A
(en )
1952-07-15
Process for the production of polishing and grinding wheels.
CH275795A
(en )
1951-06-15
Process for the preparation of organohalosilanes.
AT171179B
(en )
1952-05-10
Process for the production of grinding wheels
AT177713B
(en )
1954-02-25
Process for the production of steam-hardened, porous artificial stones
CH260152A
(en )
1949-02-28
Process for the manufacture of abrasives.
CH249686A
(en )
1947-07-15
Process for the production of grinding wheels.
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
CH284350A
(en )
1952-07-31
Process for the manufacture of spinnerets.
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
AT178203B
(en )
1954-04-26
Process for the production of hardboard
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
CH247295A
(en )
1947-02-28
Process for the production of grinding wheels and grinding wheel produced by this process.
AT171933B
(en )
1952-07-25
Process for the manufacture of printing wheels
AT193400B
(en )
1957-11-25
Process for the production of phenols
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT178737B
(en )
1954-06-10
Process for the production of cemented carbides
CH310688A
(en )
1955-10-31
Process for the production of dimethyldichlorosilane.
CH266996A
(en )
1950-02-28
Process for the production of folic acid.
AT172493B
(en )
1952-09-10
Process for the production of hardboard
AT175963B
(en )
1953-09-10
Process for the production of rayon