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Free fall winch
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Patent number 11,124,396
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Issue date Sep 21, 2021
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Liebherr-Components Biberach GmbH
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Norbert Hausladen
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B66 - HOISTING LIFTING HAULING
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Drawworks systems and methods
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Cameron International Corporation
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Michael Netecke
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E21 - EARTH DRILLING MINING
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Kito Corporation
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Akinori Shirota
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B66 - HOISTING LIFTING HAULING
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3825100
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Patent number 3,825,100
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Issue date Jul 23, 1974
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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3756359
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Patent number 3,756,359
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B66 - HOISTING LIFTING HAULING
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3720077
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B66 - HOISTING LIFTING HAULING
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3674119
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B66 - HOISTING LIFTING HAULING
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3640505
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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3319492
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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2501096
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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2175382
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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B66 - HOISTING LIFTING HAULING
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1738811
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B66 - HOISTING LIFTING HAULING