CH301090A
(en )
1954-08-31
Process for the production of screw dressings.
AT168948B
(en )
1951-09-25
Support for formwork for the production of rising masonry
AT168470B
(en )
1951-06-11
Support structure for formwork for the production of rising masonry
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT174372B
(en )
1953-03-25
Process for the production of acetals
AT171850B
(en )
1952-07-10
Tube framework for the production of buildings
AT175235B
(en )
1953-06-25
Shaft furnace for the production of calcium carbide
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT168644B
(en )
1951-07-10
Mixing machine for the production of porous building materials
AT168436B
(en )
1951-06-11
Formwork for the manufacture of structures
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT176970B
(en )
1953-12-10
Sliding formwork for the production of concrete walls u. like
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT174718B
(en )
1953-04-25
Design for hollow walls and hollow ceilings
AT174934B
(en )
1953-05-26
Multi-furnace process for the production of electrical steel
AT179881B
(en )
1954-10-11
Form for the production of the concrete support ribs of glass reinforced concrete structures
AT177105B
(en )
1953-12-28
Process for the production of building panels
AT176967B
(en )
1953-12-10
Process for the production of clad concrete beams
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT172069B
(en )
1952-08-11
Process for the production of building panels
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT178190B
(en )
1954-04-10
Formwork for the manufacture of structures
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks