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发明名称
ELEVATOR BRAKE
摘要
申请公布号
CA343148(A)
申请公布日期
1934.07.17
申请号
CAD343148
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
EDWARD N. BALDWIN
分类号
主分类号
代理机构
代理人
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