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发明名称
FILING AND WATER STOPPING STRUCTURE OF TRACK POURING OPENING
摘要
申请公布号
JPS5648402(A)
申请公布日期
1981.05.01
申请号
JP19790123132
申请日期
1979.09.27
申请人
JAPAN NATIONAL RAILWAY
发明人
SHIMIZU KEIJI
分类号
E01B26/00;E01B37/00;E04G23/02
主分类号
E01B26/00
代理机构
代理人
主权项
地址
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