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发明名称
摘要
申请公布号
SU471556(A1)
申请公布日期
1975.05.25
申请号
SU19721848239
申请日期
1972.11.22
申请人
发明人
分类号
G01R27/28;(IPC1-7):G01R27/28
主分类号
G01R27/28
代理机构
代理人
主权项
地址
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