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发明名称
Electric switch
摘要
申请公布号
US1815634(A)
申请公布日期
1931.07.21
申请号
US19270193327
申请日期
1927.05.21
申请人
PETERSON JOHANN G
发明人
PETERSON JOHANN G.
分类号
H01H9/02
主分类号
H01H9/02
代理机构
代理人
主权项
地址
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