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经营范围
发明名称
SOUND REFLECTING BOARD DEVICE
摘要
申请公布号
JPH09299625(A)
申请公布日期
1997.11.25
申请号
JP19960119887
申请日期
1996.05.15
申请人
MITSUBISHI HEAVY IND LTD
发明人
INOOKA YASUO;NISHIMURA EIJI
分类号
A63J5/04;(IPC1-7):A63J5/04
主分类号
A63J5/04
代理机构
代理人
主权项
地址
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