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Control device for lifting magnet
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Patent number 10,974,933
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Issue date Apr 13, 2021
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Kobelco Construction Machinery Co., Ltd.
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Natsuki Yumoto
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H01 - BASIC ELECTRIC ELEMENTS
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Rope hoist
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Patent number 10,549,958
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Issue date Feb 4, 2020
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Kito Corporation
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Fujito Yudate
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B66 - HOISTING LIFTING HAULING
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Magnet work machine
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Patent number 10,259,686
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Issue date Apr 16, 2019
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Kobelco Construction Machinery Co., Ltd.
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Natsuki Yumoto
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H01 - BASIC ELECTRIC ELEMENTS
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3726426
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Patent number 3,726,426
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Issue date Apr 10, 1973
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B66 - HOISTING LIFTING HAULING
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3723825
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Patent number 3,723,825
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Issue date Mar 27, 1973
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B66 - HOISTING LIFTING HAULING
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3708685
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Patent number 3,708,685
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Issue date Jan 2, 1973
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B66 - HOISTING LIFTING HAULING
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3675097
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Patent number 3,675,097
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Issue date Jul 4, 1972
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B66 - HOISTING LIFTING HAULING
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3629663
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Patent number 3,629,663
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Issue date Dec 21, 1971
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B66 - HOISTING LIFTING HAULING
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3445105
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Patent number 3,445,105
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Issue date May 20, 1969
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B66 - HOISTING LIFTING HAULING
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3350609
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Patent number 3,350,609
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Issue date Oct 31, 1967
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B66 - HOISTING LIFTING HAULING
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3199008
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Patent number 3,199,008
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Issue date Aug 3, 1965
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B66 - HOISTING LIFTING HAULING
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2978130
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Patent number 2,978,130
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Issue date Apr 4, 1961
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B66 - HOISTING LIFTING HAULING
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2945991
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Patent number 2,945,991
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Issue date Jul 19, 1960
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B66 - HOISTING LIFTING HAULING
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2920776
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Patent number 2,920,776
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Issue date Jan 12, 1960
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B66 - HOISTING LIFTING HAULING
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2870382
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Patent number 2,870,382
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Issue date Jan 20, 1959
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B66 - HOISTING LIFTING HAULING
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2858485
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Patent number 2,858,485
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Issue date Oct 28, 1958
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B66 - HOISTING LIFTING HAULING
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2841747
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Patent number 2,841,747
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Issue date Jul 1, 1958
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B66 - HOISTING LIFTING HAULING
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2825599
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Patent number 2,825,599
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Issue date Mar 4, 1958
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B66 - HOISTING LIFTING HAULING
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2806191
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Patent number 2,806,191
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Issue date Sep 10, 1957
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B66 - HOISTING LIFTING HAULING
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2792128
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Patent number 2,792,128
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Issue date May 14, 1957
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B66 - HOISTING LIFTING HAULING
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2748322
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Patent number 2,748,322
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Issue date May 29, 1956
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B66 - HOISTING LIFTING HAULING
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2648033
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Patent number 2,648,033
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Issue date Aug 4, 1953
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B66 - HOISTING LIFTING HAULING
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2567883
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Patent number 2,567,883
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Issue date Sep 11, 1951
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B66 - HOISTING LIFTING HAULING
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2499685
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Patent number 2,499,685
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Issue date Mar 7, 1950
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B66 - HOISTING LIFTING HAULING
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2432313
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Patent number 2,432,313
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Issue date Dec 9, 1947
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B66 - HOISTING LIFTING HAULING
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2423916
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Patent number 2,423,916
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Issue date Jul 15, 1947
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B66 - HOISTING LIFTING HAULING
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2165521
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Patent number 2,165,521
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Issue date Jul 11, 1939
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B66 - HOISTING LIFTING HAULING
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1974984
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Patent number 1,974,984
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Issue date Sep 25, 1934
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B66 - HOISTING LIFTING HAULING
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1850772
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Patent number 1,850,772
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Issue date Mar 22, 1932
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B66 - HOISTING LIFTING HAULING