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发明名称
MEANS FOR SECURING STANDPIPES TO IRRIGATION PIPELINES
摘要
申请公布号
US3443581(A)
申请公布日期
1969.05.13
申请号
USD3443581
申请日期
1966.10.24
申请人
DOWSON & DOBSON LTD.
发明人
HUGH R. LYELL
分类号
F16L37/00;F16L37/18;F16L37/40;F16L41/02;(IPC1-7):F16L37/28;F16K43/00
主分类号
F16L37/00
代理机构
代理人
主权项
地址
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