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发明名称
摘要
申请公布号
SU362404(A1)
申请公布日期
1972.12.13
申请号
SU19711659724
申请日期
1971.05.14
申请人
发明人
分类号
H03D3/02;G01R25/00;(IPC1-7):H03D3/02
主分类号
H03D3/02
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代理人
主权项
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