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发明名称
MUSICAL WOODWIND INSTRUMENT
摘要
申请公布号
US3564574(A)
申请公布日期
1971.02.16
申请号
USD3564574
申请日期
1968.11.18
申请人
JOHN W. SINGULAR
发明人
JOHN W. SINGULAR
分类号
G10D9/04;G10F5/02;(IPC1-7):G10D7/06
主分类号
G10D9/04
代理机构
代理人
主权项
地址
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