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发明名称
ELECTRIC SWITCH
摘要
申请公布号
CA352462(A)
申请公布日期
1935.08.20
申请号
CAD352462
申请日期
申请人
THE ARROW-HART AND HEGEMAN ELECTRIC COMPANY
发明人
ARVID H. NERO
分类号
主分类号
代理机构
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