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经营范围
发明名称
MUSIC CHORD FINDER DEVICE
摘要
申请公布号
CA824374(A)
申请公布日期
1969.10.07
申请号
CAD824374
申请日期
申请人
ANNE B. WEIS;ANDREW J. WEIS
发明人
ANNE B. WEIS;ANDREW J. WEIS
分类号
主分类号
代理机构
代理人
主权项
地址
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