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发明名称
投币式卡拉OK点唱机(B)
摘要
申请公布号
CN3114815D
申请公布日期
1999.06.30
申请号
CN98328725.2
申请日期
1998.12.11
申请人
蔡文龙
发明人
蔡文龙; 段淑波
分类号
14-01-R0113
主分类号
14-01-R0113
代理机构
中国科学院广州专利事务所
代理人
余炳和
主权项
地址
519020广东省珠海市拱北高沙东街海滨楼102室
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