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发明名称
Ball lock coupling
摘要
申请公布号
US2561887(A)
申请公布日期
1951.07.24
申请号
US19480060373
申请日期
1948.11.16
申请人
DRESSER INDUSTRIES, INC.
发明人
RISLEY ROGER E.
分类号
F16L19/06;F16L19/08
主分类号
F16L19/06
代理机构
代理人
主权项
地址
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