CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
AT172882B
(en )
1952-10-25
Process for the production of chipboard or shaped pieces
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT177105B
(en )
1953-12-28
Process for the production of building panels
AT170284B
(en )
1952-02-11
Process for the production of cell bodies
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
AT172069B
(en )
1952-08-11
Process for the production of building panels
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT172334B
(en )
1952-08-25
Process for the preparation of N-dialkylaminoalkylphenthiazines
AT178203B
(en )
1954-04-26
Process for the production of hardboard
CH288102A
(en )
1953-01-15
Process for the production of pressed building construction panels.
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT174333B
(en )
1953-03-25
Process for the production of sand-lime bricks
AT172337B
(en )
1952-08-25
Process for the production of quinazoline compounds
AT180795B
(en )
1955-01-10
Process for the production of hollow profiles
AT171850B
(en )
1952-07-10
Tube framework for the production of buildings
CH282223A
(en )
1952-04-15
Process for the production of quinazoline compounds.
AT177929B
(en )
1954-03-25
Process for the production of fiberboard
AT170892B
(en )
1952-04-10
Process for the production of fiberboard
AT175379B
(en )
1953-07-10
Process for the production of fiberboard
AT179503B
(en )
1954-09-10
Process for the production of adhesive and stiffening panels
AT193400B
(en )
1957-11-25
Process for the production of phenols
AT176675B
(en )
1953-11-10
Process for the production of composite fiber-particle boards