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Rotation control device
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Patent number 5,900,709
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Issue date May 4, 1999
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Konica Corporation
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Hidehiro Kanda
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G05 - CONTROLLING REGULATING
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3918066
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Patent number 3,918,066
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Issue date Nov 4, 1975
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G05 - CONTROLLING REGULATING
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3767992
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Patent number 3,767,992
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Issue date Oct 23, 1973
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G05 - CONTROLLING REGULATING
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3663881
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Patent number 3,663,881
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Issue date May 16, 1972
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B66 - HOISTING LIFTING HAULING
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3496436
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Patent number 3,496,436
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Issue date Feb 17, 1970
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G05 - CONTROLLING REGULATING
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3283232
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Patent number 3,283,232
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Issue date Nov 1, 1966
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G05 - CONTROLLING REGULATING
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2975295
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Patent number 2,975,295
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Issue date Mar 14, 1961
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G05 - CONTROLLING REGULATING
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2733387
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Patent number 2,733,387
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Issue date Jan 31, 1956
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G05 - CONTROLLING REGULATING
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2559266
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Patent number 2,559,266
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Issue date Jul 3, 1951
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G05 - CONTROLLING REGULATING
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2531313
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Patent number 2,531,313
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Issue date Nov 21, 1950
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G05 - CONTROLLING REGULATING
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2511608
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Patent number 2,511,608
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Issue date Jun 13, 1950
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G05 - CONTROLLING REGULATING