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Switch having a matrix of relays
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Patent number 3,983,331
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Issue date Sep 28, 1976
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Compagnie Industrielle des Telecommunications Cit-Alcatel
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Christian Vie
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H01 - BASIC ELECTRIC ELEMENTS
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3869687
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Patent number 3,869,687
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Issue date Mar 4, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3649938
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Patent number 3,649,938
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Issue date Mar 14, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3594669
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Patent number 3,594,669
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Issue date Jul 20, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3535692
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Patent number 3,535,692
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Issue date Oct 20, 1970
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3336507
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Patent number 3,336,507
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Issue date Aug 15, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3331991
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Patent number 3,331,991
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Issue date Jul 18, 1967
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3257514
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Patent number 3,257,514
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Issue date Jun 21, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3101392
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Patent number 3,101,392
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Issue date Aug 20, 1963
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3088999
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Patent number 3,088,999
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Issue date May 7, 1963
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3089011
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Patent number 3,089,011
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Issue date May 7, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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3060274
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Patent number 3,060,274
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Issue date Oct 23, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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3053952
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Patent number 3,053,952
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Issue date Sep 11, 1962
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H01 - BASIC ELECTRIC ELEMENTS