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经营范围
发明名称
Improvements in or relating to electrical musical instruments
摘要
申请公布号
GB401537(A)
申请公布日期
1933.11.16
申请号
GB19330003767
申请日期
1933.02.07
申请人
NILS ARVID PALMGREN
发明人
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
主权项
地址
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