CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT167429B
(en )
1951-01-10
Process for the preparation of pentaenes
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
AT171737B
(en )
1952-06-25
Device for the production of building blocks
AT173047B
(en )
1952-11-10
Process for the production of buildings
AT167697B
(en )
1951-02-10
Element for the production of building walls
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT193400B
(en )
1957-11-25
Process for the production of phenols
AT171694B
(en )
1952-06-25
Process for the production of new basic ethers
AT169621B
(en )
1951-12-10
Device for the production of pipes or plates from fiber cement
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
AT178459B
(en )
1954-05-10
Process for the production of polyvinylidenecyanide
AT170713B
(en )
1952-03-25
Method and device for the production of decorative ribbons
AT177715B
(en )
1954-02-25
Process for the production of wood concrete
AT181267B
(en )
1955-03-10
Process for the production of finely divided oxides
CH288102A
(en )
1953-01-15
Process for the production of pressed building construction panels.
AT181530B
(en )
1955-03-25
Process for the manufacture of footwear
AT174342B
(en )
1953-03-25
Process for the production of artificial asphalt
AT171168B
(en )
1952-05-10
Process for the production of concrete
AT184502B
(en )
1956-01-25
Device for the production of moldings
CH273951A
(en )
1951-03-15
Process for the production of vinyl chloride.
AT179651B
(en )
1954-09-25
Process for the production of moldings
AT172963B
(en )
1952-11-10
Device for the production of roof tiles or the like.
AT170853B
(en )
1952-04-10
Process for the production of methanol