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2782348
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Information
Patent Grant
2782348
References
Source
Patent Number
2,782,348
Date Filed
Not available
Date Issued
Tuesday, February 19, 1957
67 years ago
CPC
H02P5/50 - by comparing electrical values representing the speeds
B23Q16/00 - Equipment for precise positioning of tool or work into particular locations not otherwise provided for
G05B19/124 - using tapes, cards or discs with optically sensed marks or codes
B23Q2716/04 - Indexing devices for boring machines
Y10T409/30084 - with regulation of operation by templet, card, or other replaceable information supply
US Classifications
318 - Electricity: motive power systems
324 - Electricity: measuring and testing
409 - Gear cutting, milling, or planing
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