CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH281277A
(en )
1952-02-29
Process for the production of thyroxine.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT178736B
(en )
1954-06-10
Process for the production of flints from cerium-iron alloys
CH283681A
(en )
1952-06-30
Process for the production of shaped bodies from coal.
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
AT177520B
(en )
1954-02-10
Process for the production of metal coffins
AT181267B
(en )
1955-03-10
Process for the production of finely divided oxides
AT186771B
(en )
1956-09-10
Process for the continuous manufacture of products from viscose
AT177932B
(en )
1954-03-25
Process for the production of metal powder for powder metallurgical purposes
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT178459B
(en )
1954-05-10
Process for the production of polyvinylidenecyanide
AT170271B
(en )
1952-02-11
Process for the production of binder-free moldings from fiber material
AT193400B
(en )
1957-11-25
Process for the production of phenols
AT168827B
(en )
1951-08-25
Process for the production of pencil leads
AT172060B
(en )
1952-08-11
Process for the production of phenoplast molding compounds
AT172493B
(en )
1952-09-10
Process for the production of hardboard
AT171694B
(en )
1952-06-25
Process for the production of new basic ethers
AT178203B
(en )
1954-04-26
Process for the production of hardboard
AT175558B
(en )
1953-07-25
Process for the production of acetylene alcohols
AT167706B
(en )
1951-02-26
Process for the production of pressure-resistant components
AT173941B
(en )
1953-02-10
Process for the production of staple strips from metal strips
AT178056B
(en )
1954-04-10
Process for the production of filter material
AT173422B
(en )
1952-12-27
Process for the production of two-part stockings