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经营范围
发明名称
SOUND ABSORBING BOARD
摘要
申请公布号
JPH06272330(A)
申请公布日期
1994.09.27
申请号
JP19930059121
申请日期
1993.03.18
申请人
YAMAHA CORP
发明人
MIYAZAWA KENICHI;HOSHI TOSHIHARU
分类号
E04B1/99;(IPC1-7):E04B1/99
主分类号
E04B1/99
代理机构
代理人
主权项
地址
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