CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT172684B
(en )
1952-10-10
Hand impact machine for the production of concrete blocks
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT174569B
(en )
1953-04-10
Machine for the production of building blocks
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT171737B
(en )
1952-06-25
Device for the production of building blocks
AT164035B
(en )
1949-09-26
Process for the manufacture of new whitening agents
AT176970B
(en )
1953-12-10
Sliding formwork for the production of concrete walls u. like
AT173552B
(en )
1953-01-10
Process for the production of circular saw blades
AT177715B
(en )
1954-02-25
Process for the production of wood concrete
AT184364B
(en )
1956-01-10
Cutting device for machines for the production of fiberboard
AT168436B
(en )
1951-06-11
Formwork for the manufacture of structures
AT176016B
(en )
1953-09-10
Machine for the production of V-belts
AT171694B
(en )
1952-06-25
Process for the production of new basic ethers
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
CH296592A
(en )
1954-02-28
Process for the production of underwater concrete.
ES184421A1
(en )
1948-10-16
PERFECT MACHINE FOR THE MOLDING OF BLOCKS FOR CONSTRUCTION
AT171740B
(en )
1952-06-25
Machine for the production of zipper parts
AT187473B
(en )
1956-10-25
Mold for the production of moldings
AT168931B
(en )
1951-09-25
Process for the production of building material clay chippings
AT178459B
(en )
1954-05-10
Process for the production of polyvinylidenecyanide
AT171168B
(en )
1952-05-10
Process for the production of concrete
AT169449B
(en )
1951-11-10
Device for the production of steel-string concrete beams in groups
AT175025B
(en )
1953-05-26
Automatic machine for the production of hollow glass objects