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发明名称
Drum beater with controllable beating capability
摘要
A drum beater comprising an elongated stem, and a beater head carried by the stem, and having a relatively hard drum striker, a relatively soft drum striker, both of said strikers facing in the same direction, to strike a drum head.
申请公布号
US6875912(B2)
申请公布日期
2005.04.05
申请号
US20030428677
申请日期
2003.05.05
申请人
GATZEN ROBERT
发明人
GATZEN ROBERT
分类号
G10D13/00;G10D13/02;(IPC1-7):G10D13/02
主分类号
G10D13/00
代理机构
代理人
主权项
地址
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