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发明名称
Key mechanism for alto and bass clarinets
摘要
申请公布号
US2627776(A)
申请公布日期
1953.02.10
申请号
US19500180454
申请日期
1950.08.19
申请人
LEON LEBLANC
发明人
LEBLANC LEON
分类号
G10D7/06
主分类号
G10D7/06
代理机构
代理人
主权项
地址
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