CH285917A
(en )
1952-09-30
High-voltage disconnectors, in particular for outdoor installation.
CH291949A
(en )
1953-07-15
Circuit for telephone systems for receiving signals.
CH324853A
(en )
1957-10-15
Electromagnetically operated switch, in particular contactor
CH312455A
(en )
1955-12-31
Telecommunication system.
CH342612A
(en )
1959-11-30
Circuit arrangement for switching systems, in particular telephone systems
AT170120B
(en )
1952-01-25
Self-breakers, in particular for step switches in telephone systems
CH317711A
(en )
1956-11-30
Multiple switches for telecommunication systems, in particular telephone systems
AT180394B
(en )
1954-12-10
Board supports, in particular formwork supports
CH315053A
(en )
1956-07-15
Circuit arrangement in telecommunication systems, in particular telephone systems
AT180978B
(en )
1955-02-10
Switching contact, in particular for switching devices with blade contacts
CH314163A
(en )
1956-05-31
Selector switches for telecommunication systems, in particular telephone systems
CH358837A
(en )
1961-12-15
Transmission switching system, in particular for telephone purposes
AT173737B
(en )
1953-01-26
Rotary selector for telecommunication systems, in particular telephone systems
CH250534A
(en )
1947-08-31
Relays, in particular for telephone systems.
CH296854A
(en )
1954-02-28
Switching device, in particular dialers for telecommunications systems.
CH282579A
(en )
1952-04-30
Cleaning device, in particular for vehicles.
AT172816B
(en )
1952-10-25
Circuit arrangement for company lines in telecommunications, in particular telephone systems
AT176764B
(en )
1953-11-25
Starting and switching devices, in particular for motorcycles
CH282520A
(en )
1952-04-30
Switching device, in particular for periodic switching.
CH288597A
(en )
1953-01-31
Rotary selector for telecommunication systems, in particular telephone systems.
AT168543B
(en )
1951-06-25
Connection cables for indoor installation, in particular for telephone systems
AT182121B
(en )
1955-05-25
Electrical transmission, in particular communication systems
CH305846A
(en )
1955-03-15
Snap-action switchgear, especially for drives.
AT185745B
(en )
1956-05-25
Luminous dials, in particular for clock faces
AT181641B
(en )
1955-04-12
Telephone switching system