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发明名称
摘要
申请公布号
SU547885(A1)
申请公布日期
1977.02.25
申请号
SU19752192517
申请日期
1975.11.21
申请人
发明人
分类号
(IPC1-7):H02B1/08
主分类号
(IPC1-7):H02B1/08
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代理人
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地址
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