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Tension measuring device
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Patent number 4,171,640
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Issue date Oct 23, 1979
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W. C. Dillon and Company, Inc.
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Max van Mastrigt
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G01 - MEASURING TESTING
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Tension indicating device
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Patent number 4,163,126
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Issue date Jul 31, 1979
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W. C. Dillon and Co. Inc.
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Max Van Mastrigt
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B66 - HOISTING LIFTING HAULING
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Weight lifting eye and socket
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Patent number 4,079,983
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Issue date Mar 21, 1978
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W. C. Dillon and Company, Inc.
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Max Van Mastrigt
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B66 - HOISTING LIFTING HAULING
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