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发明名称
Coupling for overhead irrigation pipes
摘要
申请公布号
US2049801(A)
申请公布日期
1936.08.04
申请号
US19350034900
申请日期
1935.08.06
申请人
GAGE ELLSWORTH D
发明人
GAGE ELLSWORTH D.
分类号
F16L37/54
主分类号
F16L37/54
代理机构
代理人
主权项
地址
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