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经营范围
发明名称
Improvements in musical instruments
摘要
申请公布号
GB684610(A)
申请公布日期
1952.12.24
申请号
GB19490029240
申请日期
1949.11.15
申请人
SCHULMERICH ELECTRONICS INC.
发明人
分类号
G10H3/20
主分类号
G10H3/20
代理机构
代理人
主权项
地址
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