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发明名称
WATER PERMEABLE BLOCK FOR CULVERT DRAINAGE AND CULVERT DRAINAGE STRUCTURE USING THE BLOCK
摘要
申请公布号
JPH09324410(A)
申请公布日期
1997.12.16
申请号
JP19960162448
申请日期
1996.06.04
申请人
ASAHI CHEM IND CO LTD
发明人
ITO YOSHIHIKO
分类号
E02B11/00;E02D3/10;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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