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经营范围
发明名称
Highway edgedrain
摘要
申请公布号
US4904113(A)
申请公布日期
1990.02.27
申请号
US19870086678
申请日期
1987.08.18
申请人
ADVANCED DRAINAGE SYSTEMS, INC.
发明人
GODDARD, JAMES B.;ZIMMERMAN, LEON H.;MARTIN, LARRY L.
分类号
E01F5/00;E02B11/00;E02D31/02
主分类号
E01F5/00
代理机构
代理人
主权项
地址
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