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申请公布号
JPS5246672(B2)
申请公布日期
1977.11.26
申请号
JP19720062389
申请日期
1972.06.23
申请人
发明人
分类号
H03F1/52;G06G7/12;H03F1/42
主分类号
H03F1/52
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