CH291949A
(en )
1953-07-15
Circuit for telephone systems for receiving signals.
CH319034A
(en )
1957-01-31
Switching device, in particular for periodic switching
CH410069A
(en )
1966-03-31
Circuit arrangement for testing lines in telecommunication systems, in particular telephone systems
CH303089A
(en )
1954-11-15
Circuit arrangement for receiving telegraphic characters, in particular using the duoplex method
AT191948B
(en )
1957-09-25
Circuit arrangement for receiving pulses, in particular for telegraphy systems
CH403873A
(en )
1965-12-15
Circuit arrangement for testing lines in telecommunication systems, in particular telephone systems
CH351641A
(en )
1961-01-31
Circuit arrangement in telecommunications systems
CH370129A
(en )
1963-06-30
Circuit arrangement for line selectors provided with hunt groups, which are set by marking devices, in telephone systems
CH392567A
(en )
1965-05-31
Type carrier for printing units
NL189226B
(en )
TELECOMMUNICATIONS SYSTEM.
CH347222A
(en )
1960-06-30
Type printing telegraph machine
CH366860A
(en )
1963-01-31
Circuit arrangement for line selectors provided with hunt groups, which are set by marking devices, in telephone systems
CH392606A
(en )
1965-05-31
Circuit arrangement for telex systems for rectifying telex characters
NL185378B
(en )
OVERVOLTAGE DIVERTER.
CH348983A
(en )
1960-09-30
Receiving device for telegraph characters
CH343449A
(en )
1959-12-31
Circuit arrangement for counting pulses
DK85381C
(en )
1958-04-14
Electroplating systems.
CH444227A
(en )
1967-09-30
Device for receiving bipolar signals, in particular double-stream telegraphy signals
AT191946B
(en )
1957-09-25
Circuit arrangement for pulse transmission, in particular with pulse equalization, in telecommunications systems
AT195975B
(en )
1958-02-25
Device for evaluating telegraph symbols
CH346239A
(en )
1960-05-15
Device for evaluating telegraph symbols
AT183193B
(en )
1955-09-10
Washing device, in particular for dishes
AT183521B
(en )
1955-10-25
Filtering apparatus, in particular for coffee
DK86345C
(en )
1958-10-13
Teletypewriter.
DK97887C
(en )
1964-02-03
Teletypewriter.