CH247861A
(en )
1947-03-31
Process for the production of dry rectifier disks and rectifier disks produced by this process.
CH261980A
(en )
1949-06-15
Fabrics and processes for their manufacture.
CH269501A
(en )
1950-07-15
Process for the production of nitrogen oxide and device for carrying out the process.
CH233402A
(en )
1944-07-31
Ski and its manufacturing process.
CH240578A
(en )
1945-12-31
Process for the preparation of an aminoarylcarbinol.
CH259943A
(en )
1949-02-15
Method and arrangement for the production of dry rectifier elements.
CH248479A
(en )
1947-05-15
Process for the preparation of aniline-N-d-riboside.
CH277536A
(en )
1951-08-31
Zipper and process for its manufacture.
CH255233A
(en )
1948-06-15
Selenium rectifier element and process for its manufacture.
CH248893A
(en )
1947-05-31
Emery tape and process for its manufacture.
CH262415A
(en )
1949-06-30
Crystal rectifier and process for its manufacture.
CH247334A
(en )
1947-02-28
Dry rectifier element and process for its manufacture.
CH243733A
(en )
1946-07-31
Process for the manufacture of prostheses.
CH277485A
(en )
1951-08-31
Curler.
CH255232A
(en )
1948-06-15
Dry rectifier element and process for its manufacture.
CH261899A
(en )
1949-06-15
Process for the preparation of 2,4,5-trichloro-phenylacetic acid.
CH254387A
(en )
1948-04-30
Selenium semiconductors and processes for their manufacture.
CH245683A
(en )
1946-11-30
Shaped structure and process for its manufacture.
CH304523A
(en )
1955-01-15
Dry rectifier and process for its manufacture.
CH236555A
(en )
1945-02-28
Briquette and method of making the same.
CH259824A
(en )
1949-02-15
Stabilized film and process for its manufacture.
CH240679A
(en )
1946-01-15
Dry rectifier.
CH240901A
(en )
1946-01-31
Process for the manufacture of selenium rectifiers.
CH241307A
(en )
1946-02-28
Facility for treating hair.
CH231150A
(en )
1944-02-29
Process for obtaining toxiferin I and II.