专利检索 ap:("National Traffic Safety AND Environment Laboratory" OR "Ogata, Seigo, National Traffic Safety AND Environment Laboratory" OR "Mitsubishi Heavy Industries, Ltd.") AND inv:"Shibata, Seizou Nagasaki Shipyard & Machinery work" 第 1 页

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发明授权
Sound absorbing construction for track 有权
标题翻译： Isophonic建设铁路轨道

公开(公告)号：EP1229167B1

公开(公告)日：2005-02-02

申请号：EP01128191.2

申请日：2001-11-27

申请人： National Traffic Safety and Environment Laboratory , Ogata, Seigo, National Traffic Safety and Environment Laboratory , Mitsubishi Heavy Industries, Ltd.

发明人： Ogata, Seigo, National Traffic Safety & Environ. , Hasezaki, Kazuhiro, Nagasaki Research & Dev. Cent. , Motomura, Hikaru, Nagasaki Research & Dev. Center , Shibata, Seizou Nagasaki Shipyard & Machinery work , Kawami, Masayuki, Nagasaki Shipyard & Machin. Work , Seki, Shiro, Nagasaki Shipyard & Machinery Work

IPC分类号： E01B19/00

CPC分类号： E01B19/003 , E01B2/00