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发明名称
摘要
申请公布号
DD118948(A1)
申请公布日期
1976.03.20
申请号
DD19750185026
申请日期
1975.03.26
申请人
发明人
分类号
G01R31/26;(IPC1-7):G01R31/26
主分类号
G01R31/26
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代理人
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地址
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