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经营范围
发明名称
Valve for the reed plates of reed instruments, such as mouth organs or accordions
摘要
申请公布号
US2671372(A)
申请公布日期
1954.03.09
申请号
US19520280595
申请日期
1952.04.04
申请人
EBERHARDT MESSNER
发明人
MESSNER EBERHARDT
分类号
G10D7/12
主分类号
G10D7/12
代理机构
代理人
主权项
地址
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