CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT176967B
(en )
1953-12-10
Process for the production of clad concrete beams
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT172777B
(en )
1952-10-10
Process for the production of reinforced concrete slab beam ceilings
AT174372B
(en )
1953-03-25
Process for the production of acetals
AT177730B
(en )
1954-02-25
Process for the production of pile fabrics
AT180283B
(en )
1954-11-25
Process for the production of high-quality reinforcement for concrete
AT164542B
(en )
1949-11-25
Process for the production of frost-resistant concrete or mortar
AT180134B
(en )
1954-11-10
Process for the production of reinforced concrete ceilings u. like structures
AT172069B
(en )
1952-08-11
Process for the production of building panels
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
AT177105B
(en )
1953-12-28
Process for the production of building panels
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT174056B
(en )
1953-02-25
Process for the production of benzene hexachloride
AT173707B
(en )
1953-01-26
Process for the production of calcium cyanamide
AT181492B
(en )
1955-03-25
Process for the production of semi-pulp
AT179290B
(en )
1954-08-10
Process for the production of octochlorocyclopentene
AT176492B
(en )
1953-10-26
Process for the production of spun concrete pipes
AT171733B
(en )
1952-06-25
Process for the production of folinic acid
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT172339B
(en )
1952-08-25
Process for the preparation of γ-chlorobutyryl chloride
AT177768B
(en )
1954-03-10
Process for the production of unsaturated nitriles
AT184177B
(en )
1955-12-27
Process for the production of chloramphenicol