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发明名称
METHOD FOR CONTROLLING MUSIC ON HOLD OF TELEPHONE
摘要
申请公布号
KR1019960013691(B1)
申请公布日期
1996.10.10
申请号
KR1019930022098
申请日期
1993.10.23
申请人
发明人
分类号
主分类号
代理机构
代理人
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地址
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