CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
CH283680A
(en )
1952-06-30
Process for the production of concrete with coarse aggregates.
AT177120B
(en )
1953-12-28
Process for the production of concrete under water
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT180283B
(en )
1954-11-25
Process for the production of high-quality reinforcement for concrete
AT177105B
(en )
1953-12-28
Process for the production of building panels
CH296592A
(en )
1954-02-28
Process for the production of underwater concrete.
AT170904B
(en )
1952-04-10
Process for the production of new synthetic resin compounds
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT171168B
(en )
1952-05-10
Process for the production of concrete
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT177730B
(en )
1954-02-25
Process for the production of pile fabrics
AT176967B
(en )
1953-12-10
Process for the production of clad concrete beams
AT178203B
(en )
1954-04-26
Process for the production of hardboard
CH282223A
(en )
1952-04-15
Process for the production of quinazoline compounds.
AT177715B
(en )
1954-02-25
Process for the production of wood concrete
AT170150B
(en )
1952-01-25
Process for the production of miner pipes
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
AT167328B
(en )
1950-12-11
Process for the manufacture of reinforced concrete slab beam floors
AT177039B
(en )
1953-12-28
Process for the production of reinforcement inserts for reinforced concrete
AT169802B
(en )
1951-12-27
Process for the preparation of substituted imidazolines
AT174342B
(en )
1953-03-25
Process for the production of artificial asphalt