发明名称 Key mechanism for a bass clarinet
摘要 In construction of a key mechanism for a bass clarinet, some of the conventional keys on the lower joint are modified in arrangement for smoother and easier finger motion needed for key operation in particular during bass range performance.
申请公布号 US4809580(A) 申请公布日期 1989.03.07
申请号 US19870109488 申请日期 1987.10.16
申请人 YAMAHA CORPORATION 发明人 YAMARYO, SHIGERU
分类号 G10D7/06;G10D9/00;G10D9/04;(IPC1-7):G10D7/06 主分类号 G10D7/06
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