发明名称 IMPROVEMENT FOR A HARMONICA
摘要 The blade-holder (3,4) for a harmonica according to the invention supporting at least one vibrating tonal blade (301, 401) comprises air-tightness means formed by side walls (301 L, 401 L) and an end wall (301 E, 401 E) extending in the continuation of the side faces and of the corresponding end face of the window through which the free part of the tonal blade concerned (301, 401) oscillates.
申请公布号 US2010000393(A1) 申请公布日期 2010.01.07
申请号 US20070448202 申请日期 2007.12.14
申请人 BIBOLLET JEAN-CLAUDE 发明人 BIBOLLET JEAN-CLAUDE
分类号 G10D7/12 主分类号 G10D7/12
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