CH319001A
(en )
1957-01-31
Electrical resistance body and process for its manufacture
AT173754B
(en )
1953-01-26
Process for the production of electrical high-ohmic resistors
CH332151A
(en )
1958-08-31
Aqueous chromium bath 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.
CH426998A
(en )
1966-12-31
Electrical resistance and process for its manufacture
AT178401B
(en )
1954-05-10
Resistance material and process for its manufacture
AT172537B
(en )
1952-09-25
Electrical resistance and process for its manufacture
CH282526A
(en )
1952-04-30
Dry rectifier and process for its manufacture.
CH278736A
(en )
1951-10-31
Insulated electrical conductor and process for its manufacture.
CH335974A
(en )
1959-01-31
Process for the production of electric detonators and detonators produced by this process
AT180334B
(en )
1954-11-25
Electrical resistance and process for its manufacture
CH274983A
(en )
1951-04-30
Tubular electrical conductor and method of making the same.
AT178972B
(en )
1954-07-10
Electric rectifier and process for its manufacture
CH279118A
(en )
1951-11-15
Wall telephone set and process for its manufacture.
AT190166B
(en )
1957-06-11
Electrical resistance and process for its manufacture
AT186759B
(en )
1956-09-10
Electric resistance heater and process for its manufacture
CH449102A
(en )
1967-12-31
Electrical resistance body and process for its manufacture
CH275584A
(en )
1951-05-31
Method of making electrical collectors.
AT180100B
(en )
1954-11-10
Glazed electrical resistance and method of manufacture
CH376589A
(en )
1964-04-15
Process for the production of oxidation-resistant electrical resistance bodies
AT171376B
(en )
1952-05-26
Process for the production of multi-part, electrical and radio-electrical apparatus
AT173388B
(en )
1952-12-10
Heat exchanger and process for its manufacture
AT178974B
(en )
1954-07-10
Selenium rectifier and process for its manufacture
AT169899B
(en )
1951-12-27
Insulating covering layer and process for its manufacture