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发明名称
摘要
申请公布号
JPS4826836(U)
申请公布日期
1973.03.31
申请号
JP19710069205U
申请日期
1971.08.03
申请人
发明人
分类号
H03F3/21;H03F3/20;H03F3/34;H03F3/343;H03F3/45;(IPC1-7):H03F3/21
主分类号
H03F3/21
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代理人
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地址
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