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发明名称
Electric switch
摘要
申请公布号
US2282355(A)
申请公布日期
1942.05.12
申请号
US19390267831
申请日期
1939.04.14
申请人
HANNUM JOHN A
发明人
HANNUM JOHN A.
分类号
H01H29/22
主分类号
H01H29/22
代理机构
代理人
主权项
地址
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