CH283513A
(en )
1952-06-15
Process and device for the production of flat structures.
CH317074A
(en )
1956-11-15
Plant for the production of ropes
CH301090A
(en )
1954-08-31
Process for the production of screw dressings.
AT169169B
(en )
1951-10-25
Device for the group-wise production of steel-string concrete beams
CH284315A
(en )
1952-07-31
Process for the manufacture of ceramic products.
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
AT176967B
(en )
1953-12-10
Process for the production of clad concrete beams
AT174372B
(en )
1953-03-25
Process for the production of acetals
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT173707B
(en )
1953-01-26
Process for the production of calcium cyanamide
AT174727B
(en )
1953-04-25
Device for erecting walls
AT184502B
(en )
1956-01-25
Device for the production of moldings
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT169449B
(en )
1951-11-10
Device for the production of steel-string concrete beams in groups
AT174934B
(en )
1953-05-26
Multi-furnace process for the production of electrical steel
AT182509B
(en )
1955-07-11
Process for the production of bulk or stamped concrete walls
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT180527B
(en )
1954-12-27
Device for the production of concrete blocks
AT177833B
(en )
1954-03-10
Device for the production of contact pins
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT171737B
(en )
1952-06-25
Device for the production of building blocks
DK78446C
(en )
1954-11-15
Process for the production of cement and plants for carrying out the process.
AT172977B
(en )
1952-11-10
Device for the production of roof tiles or the like.
AT181492B
(en )
1955-03-25
Process for the production of semi-pulp