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发明名称
摘要
申请公布号
JPS527305(B1)
申请公布日期
1977.03.01
申请号
JP19690100727
申请日期
1969.12.15
申请人
发明人
分类号
H03H15/00;H03H17/00;H03H21/00;H04B3/04;(IPC1-7):H03H7/28
主分类号
H03H15/00
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