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发明名称
摘要
申请公布号
PL152367(B1)
申请公布日期
1990.12.31
申请号
PL19860257920
申请日期
1986.02.12
申请人
发明人
分类号
H03C1/60
主分类号
H03C1/60
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代理人
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