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发明名称
CROSS CULVERT AND DRAINAGE METHOD USING SAME
摘要
申请公布号
JPS535805(A)
申请公布日期
1978.01.19
申请号
JP19760080203
申请日期
1976.07.05
申请人
TENRYU GIKEN KK
发明人
KATAOKA KOUICHI
分类号
E02D29/02
主分类号
E02D29/02
代理机构
代理人
主权项
地址
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