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发明名称
Swivel pipe coupling having low friction seals
摘要
申请公布号
US3088759(A)
申请公布日期
1963.05.07
申请号
US19590823475
申请日期
1959.06.29
申请人
DWIGHT J. AINSWORTH
发明人
CORSETTE NANCY N.
分类号
F16L27/093
主分类号
F16L27/093
代理机构
代理人
主权项
地址
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