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发明名称
IRRIGATION SYSTEM
摘要
申请公布号
CA764854(A)
申请公布日期
1967.08.08
申请号
CAD764854
申请日期
申请人
THE J. B. KNIGHT CO.
发明人
RUFUS J. PURTELL
分类号
主分类号
代理机构
代理人
主权项
地址
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