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经营范围
发明名称
Inflatable musical drum
摘要
A musical drum in which an inflatable bladder is employed to regulate the tension on the drum head.
申请公布号
US6069307(A)
申请公布日期
2000.05.30
申请号
US19990236533
申请日期
1999.01.25
申请人
RTOM CORPORATION
发明人
ROGERS, THOMAS P.
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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