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经营范围
发明名称
Irrigation system
摘要
申请公布号
US3272438(A)
申请公布日期
1966.09.13
申请号
US19640351338
申请日期
1964.03.12
申请人
THE J. B. KNIGHT CO., INC.
发明人
PURTELL RUFUS J.
分类号
A01G25/00
主分类号
A01G25/00
代理机构
代理人
主权项
地址
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