CH292414A
(en )
1953-08-15
Mixture for the production of coatings.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH292033A
(en )
1953-07-31
Process for the manufacture of spinnerets.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT171850B
(en )
1952-07-10
Tube framework for the production of buildings
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT177105B
(en )
1953-12-28
Process for the production of building panels
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT168644B
(en )
1951-07-10
Mixing machine for the production of porous building materials
CH284350A
(en )
1952-07-31
Process for the manufacture of spinnerets.
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
CH264601A
(en )
1949-10-31
Process for the preparation of hydroxylamine sulphate solutions.
CH283419A
(en )
1952-06-15
Process for the production of methane.
AT168470B
(en )
1951-06-11
Support structure for formwork for the production of rising masonry
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT176970B
(en )
1953-12-10
Sliding formwork for the production of concrete walls u. like
AT168948B
(en )
1951-09-25
Support for formwork for the production of rising masonry
AT169438B
(en )
1951-11-10
Element made of fired material for the production of reinforced ceiling beams
AT178203B
(en )
1954-04-26
Process for the production of hardboard
FR982323A
(en )
1951-06-08
Advanced Hollow Brick