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1966-01-25
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1968-03-18
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1992-06-02
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Fuse circuit
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1979-04-10
Switching matrix with connection modules
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1967-03-08
Improvements in on load switching devices
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1943-10-12
Switching mechanism
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Crosstalk minimization in multi-wire networks
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Partitioned memory architecture with single resistor or dual resistor memory elements for in-memory pipeline processing
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1966-04-05
Circuit arrangement for communication systems wherein lines are interconnected over coupling multiples
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1965-11-02
Switching systems employing co-ordinate switching arrangements of the cross-point type
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1977-12-19
Anordning for merking av elektriske ledninger og lignende med liten diameter
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1958-12-09
Relay selecting circuit
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1968-07-30
Control arrangement for a switching network
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1942-09-01
Selective system
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1941-03-25
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1971-01-26
Guide wire control circuit arrangement for a multi-stage crosspoint network
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1943-10-26
Dial operated crossbar selector
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1951-11-20
Connecting device at crossbar switch for selection of connecting links
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1968-12-10
Control arrangement for a communication switching network
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1966-01-11
Automatic telecommunication switching systems
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1968-05-14
Coordinate switch and telecommunication system comprising bilateral semiconductor switch means
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1963-10-29
Electrical selection circuits
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1966-08-16
Circuit arrangement for the connection of time multiplex telephone systems