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发明名称
摘要
申请公布号
NL6814462(A)
申请公布日期
1969.04.11
申请号
NL19680014462
申请日期
1968.10.09
申请人
发明人
分类号
H01B1/08;H01C7/112;(IPC1-7):H01C7/10
主分类号
H01B1/08
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