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发明名称
Chord forming device for string instruments
摘要
申请公布号
GB1016873(A)
申请公布日期
1966.01.12
申请号
GB19620026433
申请日期
1962.07.09
申请人
JOSEPH KOESTLER;WILHELM KOESTLER;JOSEPH KRONER;FRANZ WEIK
发明人
分类号
G10D3/08
主分类号
G10D3/08
代理机构
代理人
主权项
地址
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