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发明名称
摘要
申请公布号
BE728157(A)
申请公布日期
1969.08.11
申请号
BED728157
申请日期
1969.02.10
申请人
发明人
分类号
H01H51/12
主分类号
H01H51/12
代理机构
代理人
主权项
地址
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