CH319001A
(en )
1957-01-31
Electrical resistance body and process for its manufacture
CH319022A
(en )
1957-01-31
Permanent magnet and process for its manufacture
CH326318A
(en )
1957-12-15
Electrical element and process for its manufacture
CH306764A
(en )
1955-04-30
Electrical switch and process for its manufacture.
AT178972B
(en )
1954-07-10
Electric rectifier and process for its manufacture
CH335974A
(en )
1959-01-31
Process for the production of electric detonators and detonators produced by this process
CH282526A
(en )
1952-04-30
Dry rectifier and process for its manufacture.
CH304523A
(en )
1955-01-15
Dry rectifier and process for its manufacture.
AT176260B
(en )
1953-10-10
Copper oxide rectifier and process for its manufacture
AT180983B
(en )
1955-02-10
Commutator segments and processes for their manufacture
AT184498B
(en )
1956-01-25
Ski and its method of manufacture
AT180334B
(en )
1954-11-25
Electrical resistance and process for its manufacture
AT172867B
(en )
1952-10-25
Process for de-energizing electrical generators
CH385940A
(en )
1964-12-31
Electrical communication cable and method for its manufacture
AT184989B
(en )
1956-03-10
Phosphor and process for its manufacture
CH334114A
(en )
1958-11-15
Process for the manufacture of dry selenium rectifiers
AT171736B
(en )
1952-06-25
Detergent and process for its manufacture
AT172537B
(en )
1952-09-25
Electrical resistance and process for its manufacture
AT190166B
(en )
1957-06-11
Electrical resistance and process for its manufacture
AT186155B
(en )
1956-07-10
Closure plug and process for its manufacture
AT187214B
(en )
1956-10-25
Process for the production of conductor coils
AT178974B
(en )
1954-07-10
Selenium rectifier and process for its manufacture
AT170556B
(en )
1952-03-10
Phosphor and process for its manufacture
AT189702B
(en )
1957-04-25
Electrical insulating body and process for its manufacture
CH321682A
(en )
1957-05-15
Process for the manufacture of selenium rectifiers