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经营范围
发明名称
CORRUGATED DRAINAGE TUBES
摘要
申请公布号
CA875280(A)
申请公布日期
1971.07.13
申请号
CAD875280
申请日期
申请人
ADVANCED DRAINAGE SYSTEMS
发明人
MARTY E. SIXT
分类号
主分类号
代理机构
代理人
主权项
地址
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