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经营范围
发明名称
CORRUGATED DRAINAGE TUBES
摘要
申请公布号
US3566607(A)
申请公布日期
1971.03.02
申请号
USD3566607
申请日期
1968.02.14
申请人
ADVANCED DRAINAGE SYSTEMS INC.
发明人
MARTY E. SIXT
分类号
E02B11/00;(IPC1-7):E02B11/00;F16L11/12
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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