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发明名称
Electric winch control system for alternating currents
摘要
申请公布号
US2474267(A)
申请公布日期
1949.06.28
申请号
US19480012097
申请日期
1948.02.28
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
MAHNKE KURT
分类号
B66C13/26
主分类号
B66C13/26
代理机构
代理人
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地址
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