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经营范围
发明名称
BRIDGE SLEEPER
摘要
申请公布号
JPH05295711(A)
申请公布日期
1993.11.09
申请号
JP19920101201
申请日期
1992.04.21
申请人
SEKISUI CHEM CO LTD
发明人
KONDO TAKANOBU
分类号
E01B3/00;E01D19/12;(IPC1-7):E01D19/12
主分类号
E01B3/00
代理机构
代理人
主权项
地址
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