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经营范围
发明名称
Steam winch
摘要
申请公布号
US2465594(A)
申请公布日期
1949.03.29
申请号
US19450576200
申请日期
1945.02.05
申请人
AMERICAN HOIST & DERRICK CO.
发明人
KNUTSON HARRY
分类号
B66D1/08
主分类号
B66D1/08
代理机构
代理人
主权项
地址
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