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发明名称
Easily adjustable assistant pedal system for keyboard musical instrument
摘要
申请公布号
EP1351214(A3)
申请公布日期
2004.02.04
申请号
EP20030007441
申请日期
2003.04.03
申请人
YAMAHA CORPORATION
发明人
TOSHIFUMI, SATO
分类号
G05G1/30;G10C3/26;(IPC1-7):G10C3/26
主分类号
G05G1/30
代理机构
代理人
主权项
地址
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