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发明名称
Push button construction
摘要
申请公布号
US2052691(A)
申请公布日期
1936.09.01
申请号
US19340735385
申请日期
1934.07.16
申请人
SQUARE D. COMPANY
发明人
BIERENFELD JOSEF
分类号
H01H13/14
主分类号
H01H13/14
代理机构
代理人
主权项
地址
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