CH356842A
(en )
1961-09-15
Process for the manufacture of selenium rectifiers
CH300957A
(en )
1954-08-31
Process for the production of semi-pulp.
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
AT176498B
(en )
1953-10-26
Method of retarding the setting of cements
AT171967B
(en )
1952-07-25
Method for regulating water turbines
CH307970A
(en )
1955-06-30
Process for the production of chlorofluoroethenes.
CH296591A
(en )
1954-02-28
Procedure for erecting structures.
AT189582B
(en )
1957-04-10
Device for regulating water turbines
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT181916B
(en )
1955-05-10
Device for reducing the transverse movement of running artificial threads
CH314470A
(en )
1956-06-15
Method of manufacturing selenium rectifier plates
AT193819B
(en )
1957-12-10
Device for regulating water turbines
AT185707B
(en )
1956-05-25
Process for making waterproof sandpaper
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
AT180881B
(en )
1955-01-25
Method for numbering detonator wires
CH335893A
(en )
1959-01-31
Process for artificially influencing the weather
AT181774B
(en )
1955-04-25
Process for making margarine
AT178406B
(en )
1954-05-10
Process for the production of ski wax
AT171270B
(en )
1952-05-10
Method and device for the production of artificial mineral water
CH321676A
(en )
1957-05-15
Process for the manufacture of selenium rectifiers
CH313672A
(en )
1956-04-30
Process for the manufacture of selenium rectifiers
AT178128B
(en )
1954-04-10
Procedure for regulating bundle conductors