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发明名称
SPEAKER VENT
摘要
2086242 9201282 PCTABS00010 In a woodwind instrument, the improvement comprising a speaker vent extending from inside to outside of the instrument, said speaker vent being characterized by an internal volume in the range of 200 mm3 to 285 mm3.
申请公布号
CA2086242(A1)
申请公布日期
1994.06.24
申请号
CA19922086242
申请日期
1992.12.23
申请人
GALPER, AVRAHAM
发明人
GALPER, AVRAHAM
分类号
G10D9/00;(IPC1-7):G10D9/00;G10D7/10
主分类号
G10D9/00
代理机构
代理人
主权项
地址
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