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Control device of hydraulic winch
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Patent number 10,752,477
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Issue date Aug 25, 2020
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SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD.
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Tatsuya Matsushita
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B66 - HOISTING LIFTING HAULING
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3895779
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Patent number 3,895,779
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Issue date Jul 22, 1975
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B66 - HOISTING LIFTING HAULING
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3893572
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Patent number 3,893,572
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Issue date Jul 8, 1975
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B66 - HOISTING LIFTING HAULING
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3839865
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Patent number 3,839,865
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Issue date Oct 8, 1974
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B66 - HOISTING LIFTING HAULING
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3815478
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Patent number 3,815,478
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Issue date Jun 11, 1974
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B66 - HOISTING LIFTING HAULING
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3785503
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Patent number 3,785,503
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Issue date Jan 15, 1974
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B66 - HOISTING LIFTING HAULING
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3780990
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Patent number 3,780,990
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Issue date Dec 25, 1973
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B66 - HOISTING LIFTING HAULING
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3776518
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Patent number 3,776,518
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Issue date Dec 4, 1973
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B66 - HOISTING LIFTING HAULING
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3764111
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Patent number 3,764,111
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Issue date Oct 9, 1973
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B66 - HOISTING LIFTING HAULING
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3762777
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Patent number 3,762,777
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Issue date Oct 2, 1973
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B66 - HOISTING LIFTING HAULING
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3733813
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Patent number 3,733,813
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Issue date May 22, 1973
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B66 - HOISTING LIFTING HAULING
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3726801
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Patent number 3,726,801
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Issue date Apr 10, 1973
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B66 - HOISTING LIFTING HAULING
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3698690
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Patent number 3,698,690
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Issue date Oct 17, 1972
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B66 - HOISTING LIFTING HAULING
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3668973
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Patent number 3,668,973
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Issue date Jun 13, 1972
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B66 - HOISTING LIFTING HAULING
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3667859
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Patent number 3,667,859
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Issue date Jun 6, 1972
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B66 - HOISTING LIFTING HAULING
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3656294
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Patent number 3,656,294
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Issue date Apr 18, 1972
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B66 - HOISTING LIFTING HAULING
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3635442
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Patent number 3,635,442
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Issue date Jan 18, 1972
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B66 - HOISTING LIFTING HAULING
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3602482
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Patent number 3,602,482
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Issue date Aug 31, 1971
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B66 - HOISTING LIFTING HAULING
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3592346
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Patent number 3,592,346
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Issue date Jul 13, 1971
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B66 - HOISTING LIFTING HAULING
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3556485
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Patent number 3,556,485
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Issue date Jan 19, 1971
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B66 - HOISTING LIFTING HAULING
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3554091
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Patent number 3,554,091
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Issue date Jan 12, 1971
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B66 - HOISTING LIFTING HAULING
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3547150
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Patent number 3,547,150
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Issue date Dec 15, 1970
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B66 - HOISTING LIFTING HAULING
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3545204
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Patent number 3,545,204
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Issue date Dec 8, 1970
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B66 - HOISTING LIFTING HAULING