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发明名称
摘要
申请公布号
JPS553736(Y2)
申请公布日期
1980.01.29
申请号
JP19770011569U
申请日期
1977.02.04
申请人
发明人
分类号
H04M1/03;H04M1/15;(IPC1-7):H04M1/15
主分类号
H04M1/03
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代理人
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