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发明名称
RAILROAD CROSSING PAVEMENT
摘要
申请公布号
JPH1121806(A)
申请公布日期
1999.01.26
申请号
JP19970179731
申请日期
1997.07.04
申请人
SEKISUI CHEM CO LTD
发明人
ONISHI KUNIAKI
分类号
E01C9/04;(IPC1-7):E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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