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经营范围
发明名称
SAFETY SWITCH
摘要
申请公布号
CA500880(A)
申请公布日期
1954.03.23
申请号
CAD500880
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
HERMAN J. HAMMERLY
分类号
主分类号
代理机构
代理人
主权项
地址
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