NL182822B
(en )
PREPARATIVE ELECTROPHONE DEVICE.
CH304343A
(en )
1955-01-15
Establishment on cleaning equipment.
CH311994A
(en )
1955-12-15
Circuit arrangement for telex extension systems with dialer operation.
NL174892B
(en )
CURRENT LIMITATION DEVICE.
NL172387B
(en )
TELECOMMUNICATIONS SYSTEM.
CH315749A
(en )
1956-08-31
Circuit arrangement for subscriber telephone station
CH313271A
(en )
1956-03-31
Circuit arrangement for an automatic telephone system
AT181636B
(en )
1955-04-12
Circuit arrangement for telephone extension systems with dialer operation
AT185410B
(en )
1956-04-25
Circuit arrangement for telephone extension systems with dialer operation
CH304562A
(en )
1955-01-15
Housings for telephone sets.
CH308119A
(en )
1955-06-30
Metal sleeve for an electrical device.
AT174090B
(en )
1953-02-25
Circuit arrangement for telephone systems with direct dialing
AT174089B
(en )
1953-02-25
Circuit arrangement for telephone systems with sub-exchanges
CH302751A
(en )
1954-10-31
Circuit arrangement for telephone systems with community connections.
AT175613B
(en )
1953-07-25
Subscriber circuit for teleprinter systems
AT174955B
(en )
1953-05-26
Circuit arrangement for multiple telephones
CH301608A
(en )
1954-09-15
Teletypewriter.
CH320152A
(en )
1957-03-15
Circuit arrangement with reversing device for telecommunications systems
CH309043A
(en )
1955-08-15
Teletype receiver.
CH304565A
(en )
1955-01-15
Holding device for telephone receiver.
DK81381C
(en )
1956-07-16
Washer.
CH293721A
(en )
1953-10-15
Carriage for firearms.
CH222909A
(en )
1942-08-15
Circuit arrangement for telex extension systems with dialer operation.
CH226574A
(en )
1943-04-15
Circuit arrangement for telephone systems with dialer operation.
AT173488B
(en )
1952-12-27
Circuit arrangement for sub-exchanges in telephone systems with dialer operation