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发明名称
摘要
申请公布号
JPS5230205(B2)
申请公布日期
1977.08.06
申请号
JP19730031543
申请日期
1973.03.20
申请人
发明人
分类号
H04Q3/54;H04M3/46;H04Q3/00;H04Q3/64;H04Q3/76
主分类号
H04Q3/54
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代理人
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