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发明名称
SUB-SURFACE IRRIGATION SYSTEM
摘要
申请公布号
US3442087(A)
申请公布日期
1969.05.06
申请号
USD3442087
申请日期
1967.08.10
申请人
SERGIO RIUSECH
发明人
SERGIO RIUSECH
分类号
A01G25/02;(IPC1-7):E02B13/00
主分类号
A01G25/02
代理机构
代理人
主权项
地址
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