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发明名称
PRECAST CONCRETE SEGMENT FOR ARCH TYPE CULVERT
摘要
申请公布号
KR200183409(Y1)
申请公布日期
2000.05.15
申请号
KR19990027615U
申请日期
1999.12.08
申请人
KANG, HWAN MIN
发明人
KANG, HAENG EON
分类号
E02D29/045;(IPC1-7):E02D29/045
主分类号
E02D29/045
代理机构
代理人
主权项
地址
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