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3912970
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Issue date Oct 14, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3904912
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Patent number 3,904,912
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H01 - BASIC ELECTRIC ELEMENTS
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3806750
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Patent number 3,806,750
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H01 - BASIC ELECTRIC ELEMENTS
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3746904
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Patent number 3,746,904
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H01 - BASIC ELECTRIC ELEMENTS
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3663854
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Patent number 3,663,854
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H01 - BASIC ELECTRIC ELEMENTS
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3639795
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Patent number 3,639,795
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H01 - BASIC ELECTRIC ELEMENTS
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3617790
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H01 - BASIC ELECTRIC ELEMENTS
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3584366
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Patent number 3,584,366
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3560779
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Patent number 3,560,779
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H01 - BASIC ELECTRIC ELEMENTS
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3495124
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H01 - BASIC ELECTRIC ELEMENTS
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3399440
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H01 - BASIC ELECTRIC ELEMENTS
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3396297
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H01 - BASIC ELECTRIC ELEMENTS
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3254251
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3222172
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H01 - BASIC ELECTRIC ELEMENTS
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3179836
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H01 - BASIC ELECTRIC ELEMENTS
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3024380
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H01 - BASIC ELECTRIC ELEMENTS
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3011090
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H01 - BASIC ELECTRIC ELEMENTS
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3005921
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H01 - BASIC ELECTRIC ELEMENTS
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3005927
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H01 - BASIC ELECTRIC ELEMENTS
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2910617
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H01 - BASIC ELECTRIC ELEMENTS
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2806163
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H01 - BASIC ELECTRIC ELEMENTS
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2796374
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H01 - BASIC ELECTRIC ELEMENTS
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2782333
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H01 - BASIC ELECTRIC ELEMENTS
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2769110
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H01 - BASIC ELECTRIC ELEMENTS
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2755402
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H01 - BASIC ELECTRIC ELEMENTS
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2747134
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Patent number 2,747,134
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H01 - BASIC ELECTRIC ELEMENTS
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2728024
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2726347
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H01 - BASIC ELECTRIC ELEMENTS
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2726348
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Patent number 2,726,348
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H01 - BASIC ELECTRIC ELEMENTS
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2691116
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H01 - BASIC ELECTRIC ELEMENTS