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发明名称
Electric switch
摘要
申请公布号
US2231809(A)
申请公布日期
1941.02.11
申请号
US19380207596
申请日期
1938.05.12
申请人
JOHNSON TOMLINSON F
发明人
JOHNSON TOMLINSON F.
分类号
H01H31/28
主分类号
H01H31/28
代理机构
代理人
主权项
地址
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