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发明名称
摘要
申请公布号
FR1579512(A)
申请公布日期
1969.08.29
申请号
FRD1579512
申请日期
1968.02.12
申请人
发明人
分类号
F16P3/18;H01H47/00
主分类号
F16P3/18
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