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发明名称
Entrance switch
摘要
申请公布号
US1770211(A)
申请公布日期
1930.07.08
申请号
US19270188169
申请日期
1927.05.02
申请人
CHARLES W. KEPLINGER
发明人
LEWIS JOSEPH C.
分类号
H01H21/36
主分类号
H01H21/36
代理机构
代理人
主权项
地址
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