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发明名称
摘要
申请公布号
JPS6219012(Y2)
申请公布日期
1987.05.15
申请号
JP19800143459U
申请日期
1980.10.07
申请人
发明人
分类号
H04H40/36;H04H40/81;(IPC1-7):H04H5/00
主分类号
H04H40/36
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