CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
AT171888B
(en )
1952-07-10
Process for the production of highly refractory silica compounds
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
AT170150B
(en )
1952-01-25
Process for the production of miner pipes
AT172337B
(en )
1952-08-25
Process for the production of quinazoline compounds
AT174530B
(en )
1953-04-10
Process for the production of finished papers
AT193400B
(en )
1957-11-25
Process for the production of phenols
AT178203B
(en )
1954-04-26
Process for the production of hardboard
AT172060B
(en )
1952-08-11
Process for the production of phenoplast molding compounds
AT179385B
(en )
1954-08-25
Process for the preparation of substituted pteridines
AT172074B
(en )
1952-08-11
Process for the production of purified fused magnesia
AT169120B
(en )
1951-10-10
Process for the manufacture of pressed articles
AT174852B
(en )
1953-05-11
Process for the production of refractory shaped bricks
AT172976B
(en )
1952-11-10
Process for the production of refractory composite bricks
AT170877B
(en )
1952-04-10
Process for the production of cyanuric halide
AT175379B
(en )
1953-07-10
Process for the production of fiberboard
AT177929B
(en )
1954-03-25
Process for the production of fiberboard
AT170892B
(en )
1952-04-10
Process for the production of fiberboard
AT170867B
(en )
1952-04-10
Process for the production of iron oxide gas cleaning compounds
AT170891B
(en )
1952-04-10
Process for the production of molding compounds