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经营范围
发明名称
ENCLOSED SAFETY SWITCHES
摘要
申请公布号
CA478121(A)
申请公布日期
1951.10.30
申请号
CAD478121
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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