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发明名称
Irrigation pipe moving apparatus
摘要
申请公布号
US2996197(A)
申请公布日期
1961.08.15
申请号
US19570705979
申请日期
1957.12.30
申请人
L. R. NELSON MFG. CO., INC.
发明人
SMEAL DONALD L.
分类号
A01G25/09;F16L1/06
主分类号
A01G25/09
代理机构
代理人
主权项
地址
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