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发明名称
Electrical switch plate
摘要
申请公布号
US2179199(A)
申请公布日期
1939.11.07
申请号
US19370141728
申请日期
1937.05.10
申请人
REED JOHN M
发明人
REED JOHN M.
分类号
H01H9/16
主分类号
H01H9/16
代理机构
代理人
主权项
地址
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