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发明名称
HOIST CONTROL SYSTEM
摘要
申请公布号
CA401319(A)
申请公布日期
1941.12.09
申请号
CAD401319
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
JAMES E. BORLAND
分类号
主分类号
代理机构
代理人
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