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Chain lever hoist
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Patent number 6,406,001
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Issue date Jun 18, 2002
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Elephant Chain Block Co., Ltd.
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Yasuo Wada
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B66 - HOISTING LIFTING HAULING
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Manual chain block
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Patent number 5,586,751
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Issue date Dec 24, 1996
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Elephant Chain Block Company, Ltd.
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Yoshio Ueno
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B66 - HOISTING LIFTING HAULING
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Manual chain block
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Patent number 5,566,925
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Issue date Oct 22, 1996
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Elephant Chain Block Company Limited
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Yasuo Wada
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B66 - HOISTING LIFTING HAULING
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Manual chain block
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Patent number 5,544,863
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Issue date Aug 13, 1996
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Elephant Chain Block Company Limited
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Yoshio Ueno
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B66 - HOISTING LIFTING HAULING
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