CH319915A
(en )
1957-03-15
Machine for the production of fabric panels
CH355949A
(en )
1961-07-31
Process for the production of foams
CH308004A
(en )
1955-06-30
Process and machine for the production of facsimile clichés.
CH319589A
(en )
1957-02-28
Device for the continuous production of curable foam
CH330137A
(en )
1958-05-31
Process for the production of polyethylene terephthalate
CH343635A
(en )
1959-12-31
Process for the production of foams
CH324444A
(en )
1957-09-30
Process for the production of polymers
CH347932A
(en )
1960-07-31
Flat knitting machine for the production of double-sided knitting
AT186786B
(en )
1956-09-10
Machine for the production of molded masks
CH326177A
(en )
1957-12-15
Process for the production of polyesters
AT193133B
(en )
1957-11-25
Machine for the continuous production of curable foam
CH337529A
(en )
1959-04-15
Process for the production of propylamines
CH329735A
(en )
1958-05-15
Process for the production of foams
CH321139A
(en )
1957-04-30
Process for the production of direct positives
AT189381B
(en )
1957-03-25
Machine system for the continuous production of boards
AT196219B
(en )
1958-03-10
Machine for the production of barbed wire
CH332837A
(en )
1958-09-30
Process for the direct production of positives
CH329365A
(en )
1958-04-30
Process for the production of isopropyl nitrate
AT185362B
(en )
1956-04-25
Process for the continuous production of phenol
AT181422B
(en )
1955-03-25
Machine for the production of small parquet strips
AT181775B
(en )
1955-04-25
Machine for making sandwiches
AT186625B
(en )
1956-08-25
Process for the production of tetraacetals of butenedial
AT193360B
(en )
1957-11-25
Process for the production of ɛ-caprolactam
AT185456B
(en )
1956-05-11
Process for the production of electro-phosphors
CH319575A
(en )
1957-02-28
Process for the production of alkoxy-tetrahydrofurans