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发明名称
DRAIN DITCH COVER
摘要
申请公布号
JPH1113098(A)
申请公布日期
1999.01.19
申请号
JP19970170460
申请日期
1997.06.26
申请人
SEKISUI CHEM CO LTD
发明人
SAITO HIROYUKI
分类号
E03C1/12;E03C1/20;(IPC1-7):E03C1/12
主分类号
E03C1/12
代理机构
代理人
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