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发明名称
摘要
申请公布号
JPH0353061(U)
申请公布日期
1991.05.22
申请号
JP19890114840U
申请日期
1989.09.30
申请人
发明人
分类号
H04M3/50;H04M3/42;(IPC1-7):H04M3/50
主分类号
H04M3/50
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代理人
主权项
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