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US3603736A
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Telecommunication exchanges
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GB1235190A
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Information storage equipment
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GB1174024A
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Telephone Call Indicators
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GB1206677A
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Telecommunication exchange line circuit
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GB1197011A
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Telecommunication Exchange Using Cross-Point Switches
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GB1235154A
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Telecommunication exchange
|
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GB1182234A
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Electromagnetic Stepping Circuit.
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GB1173546A
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Telephone Dial Mechanism.
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GB1164987A
|
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Alternating Current Buzzer.
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GB1203363A
|
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Telecommunication interception circuit
|
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GB1183561A
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Electrical Edge Connector
|
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GB1175115A
|
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Handmicrotelephone Set
|
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GB1167200A
|
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Electrical Terminal Block.
|
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GB1180080A
|
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Handmicrotelephone Case.
|
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GB1187468A
|
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Push-Button Assembly
|
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GB1164225A
|
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Electrical Multiple Connector
|
|
GB1153687A
|
|
Telecommunication Cord Housing Assembly
|
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GB1149118A
|
|
Intercommunication telephone set
|
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GB1141780A
|
|
Electrical delay device
|
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GB1134430A
|
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Relay ring counter
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