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发明名称
摘要
申请公布号
JPS4874709(A)
申请公布日期
1973.10.08
申请号
JP19720129692
申请日期
1972.12.26
申请人
发明人
分类号
H04M11/00;H03H7/42;H04B3/30;H04M1/00;H04M11/06
主分类号
H04M11/00
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代理人
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