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发明名称
摘要
申请公布号
SU546825(A1)
申请公布日期
1977.02.15
申请号
SU19752159127
申请日期
1975.07.09
申请人
发明人
分类号
G01R23/00;(IPC1-7):G01R23/00
主分类号
G01R23/00
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代理人
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地址
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