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发明名称
Sound-absorbing panel of porous material and production method of the same
摘要
申请公布号
EP1840287(A3)
申请公布日期
2010.10.06
申请号
EP20070006601
申请日期
2007.03.29
申请人
YAMAHA CORPORATION
发明人
NAKAMURA, YASUTAKA
分类号
E04B1/86
主分类号
E04B1/86
代理机构
代理人
主权项
地址
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