CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
AT170284B
(en )
1952-02-11
Process for the production of cell bodies
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT177105B
(en )
1953-12-28
Process for the production of building panels
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT178203B
(en )
1954-04-26
Process for the production of hardboard
CH296592A
(en )
1954-02-28
Process for the production of underwater concrete.
AT171888B
(en )
1952-07-10
Process for the production of highly refractory silica compounds
AT170150B
(en )
1952-01-25
Process for the production of miner pipes
AT172361B
(en )
1952-09-10
Process for the production of sand-lime brick building elements
AT172337B
(en )
1952-08-25
Process for the production of quinazoline compounds
AT174852B
(en )
1953-05-11
Process for the production of refractory shaped bricks
AT180256B
(en )
1954-11-25
Process for the production of ω-cyanocarboxylic acids
AT178459B
(en )
1954-05-10
Process for the production of polyvinylidenecyanide
AT180546B
(en )
1954-12-27
Process for the production of sugar
AT177929B
(en )
1954-03-25
Process for the production of fiberboard
AT175379B
(en )
1953-07-10
Process for the production of fiberboard
AT170892B
(en )
1952-04-10
Process for the production of fiberboard
AT179651B
(en )
1954-09-25
Process for the production of moldings
AT177412B
(en )
1954-01-25
Process for the production of new oxymethylphenol ethers