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Mining elevator
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Patent number 9,272,881
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Issue date Mar 1, 2016
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China University of Mining and Technology
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Zhencai Zhu
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B66 - HOISTING LIFTING HAULING
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Traction sheave elevator
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Patent number 5,370,205
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Issue date Dec 6, 1994
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Kone Elevator GmbH
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Timo Vanhala
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B66 - HOISTING LIFTING HAULING
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Mine shaft conveyance system
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Patent number 5,195,615
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Issue date Mar 23, 1993
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GEC Alsthom Limited
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Michael J. N. Manning
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B66 - HOISTING LIFTING HAULING
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Linear motor conveyance system
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Patent number 5,126,604
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Issue date Jun 30, 1992
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GEC Alsthom Limited
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Michael J. N. Manning
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B66 - HOISTING LIFTING HAULING
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Hoist winding system
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Patent number 5,120,023
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Issue date Jun 9, 1992
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Kabushiki Kaisha Toshiba
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Yoshihiko Kawabata
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B66 - HOISTING LIFTING HAULING
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Hoisting apparatus
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Patent number 4,703,835
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Issue date Nov 3, 1987
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Upravlenie Po Montazhu, Demontazhu I Remontu Gornoshakhtnogo Oborudovania "Sp...
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Sergei B. Negrutsky
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B66 - HOISTING LIFTING HAULING
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3181837
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Patent number 3,181,837
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Issue date May 4, 1965
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B66 - HOISTING LIFTING HAULING
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2961216
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Patent number 2,961,216
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Issue date Nov 22, 1960
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B66 - HOISTING LIFTING HAULING
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2005523
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Patent number 2,005,523
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Issue date Jun 18, 1935
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B66 - HOISTING LIFTING HAULING
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1939220
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Patent number 1,939,220
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Issue date Dec 12, 1933
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B66 - HOISTING LIFTING HAULING
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1878823
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Patent number 1,878,823
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Issue date Sep 20, 1932
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B66 - HOISTING LIFTING HAULING
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1720048
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Patent number 1,720,048
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Issue date Jul 9, 1929
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B66 - HOISTING LIFTING HAULING
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1707958
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Patent number 1,707,958
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Issue date Apr 2, 1929
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B66 - HOISTING LIFTING HAULING
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1671121
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Patent number 1,671,121
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Issue date May 29, 1928
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B66 - HOISTING LIFTING HAULING
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1544758
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Patent number 1,544,758
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Issue date Jul 7, 1925
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B66 - HOISTING LIFTING HAULING
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1538573
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Patent number 1,538,573
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Issue date May 19, 1925
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B66 - HOISTING LIFTING HAULING
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1534762
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Patent number 1,534,762
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Issue date Apr 21, 1925
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B66 - HOISTING LIFTING HAULING
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1429653
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Patent number 1,429,653
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Issue date Sep 19, 1922
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B66 - HOISTING LIFTING HAULING
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1378276
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Patent number 1,378,276
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Issue date May 17, 1921
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B66 - HOISTING LIFTING HAULING
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1352632
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Patent number 1,352,632
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Issue date Sep 14, 1920
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B66 - HOISTING LIFTING HAULING
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1300647
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Patent number 1,300,647
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Issue date Apr 15, 1919
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B66 - HOISTING LIFTING HAULING