CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH283513A
(en )
1952-06-15
Process and device for the production of flat structures.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
CH301090A
(en )
1954-08-31
Process for the production of screw dressings.
AT172687B
(en )
1952-10-10
Method and device for the production of lightweight panels
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT170284B
(en )
1952-02-11
Process for the production of cell bodies
AT174372B
(en )
1953-03-25
Process for the production of acetals
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT183563B
(en )
1955-10-25
Method and device for the production of hollow bodies
AT184502B
(en )
1956-01-25
Device for the production of moldings
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT171737B
(en )
1952-06-25
Device for the production of building blocks
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
CH300050A
(en )
1954-07-15
Process and device for the production of image enlargements.
AT169369B
(en )
1951-11-10
Device for the production of strand-shaped or plate-shaped shaped pieces
AT167673B
(en )
1951-02-10
Device for the production of completely or partially conical bars
AT169169B
(en )
1951-10-25
Device for the group-wise production of steel-string concrete beams
AT180527B
(en )
1954-12-27
Device for the production of concrete blocks
AT179385B
(en )
1954-08-25
Process for the preparation of substituted pteridines
AT169449B
(en )
1951-11-10
Device for the production of steel-string concrete beams in groups