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发明名称
摘要
申请公布号
SU443330(A1)
申请公布日期
1974.09.15
申请号
SU19711728647
申请日期
1971.12.24
申请人
发明人
分类号
G01R25/00;(IPC1-7):G01R25/00
主分类号
G01R25/00
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代理人
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