CH337656A
(en )
1959-04-15
Process for the production of artificial masses
CH318748A
(en )
1957-01-31
Apparatus for the production of glass fibers
CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
AT180527B
(en )
1954-12-27
Device for the production of concrete blocks
CH317457A
(en )
1956-11-30
Process for the preparation of diamino-anthraquinonyl-oxdiazoles
CH331041A
(en )
1958-06-30
Process for the manufacture of dentures
AT189203B
(en )
1957-03-11
Device for the continuous production of superphosphate
AT188508B
(en )
1957-01-25
Device for the production of one-piece tubes
AT184910B
(en )
1956-03-10
Process for the production of new salicylanilides
CH317558A
(en )
1956-11-30
Device for the production of helical lines
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
AT177786B
(en )
1954-03-10
Process for the production of posters
CH311197A
(en )
1955-11-30
Process for the production of perchlorindane.
AT190523B
(en )
1957-07-10
Process for the preparation of alkylene-bis-dithiocarbamates
AT183955B
(en )
1955-12-10
Method and device for the production of shaped pieces
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT189551B
(en )
1957-04-10
Device for the production of fiber cement pipes
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
AT187897B
(en )
1956-12-10
Process for the production of calcium carbide
AT178355B
(en )
1954-05-10
Process for the production of sulfanilguanidine
AT180062B
(en )
1954-11-10
Process for the production of chloro-urethanes
AT183546B
(en )
1955-10-25
Device for the production of post-tensioned concrete
CH325083A
(en )
1957-10-31
Process for the production of neutrocyanines
AT184502B
(en )
1956-01-25
Device for the production of moldings
AT169621B
(en )
1951-12-10
Device for the production of pipes or plates from fiber cement