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发明名称
三角钢琴
摘要
省略仰视图。
申请公布号
CN3007992S
申请公布日期
1991.02.06
申请号
CN90300455.0
申请日期
1990.04.04
申请人
北京海资曼钢琴有限公司
发明人
金先彬
分类号
17-01-P0194
主分类号
17-01-P0194
代理机构
代理人
主权项
地址
100061北京市崇文区夕照寺中街4号
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