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经营范围
发明名称
Musical instrument pad
摘要
申请公布号
US2264591(A)
申请公布日期
1941.12.02
申请号
US19410381063
申请日期
1941.02.28
申请人
H. & A. SELMER, INC.
发明人
SANDER EUGENE
分类号
G10D9/04
主分类号
G10D9/04
代理机构
代理人
主权项
地址
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