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发明名称
摘要
申请公布号
NL6902017(A)
申请公布日期
1969.08.12
申请号
NL19690002017
申请日期
1969.02.07
申请人
发明人
分类号
H01H51/12;(IPC1-7):H01H50/16
主分类号
H01H51/12
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