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经营范围
发明名称
Pipe joint
摘要
申请公布号
US2190419(A)
申请公布日期
1940.02.13
申请号
US19370154473
申请日期
1937.07.19
申请人
THE BASTIAN-BLESSING CO.
发明人
EVARTS RALPH E.
分类号
F16L19/06
主分类号
F16L19/06
代理机构
代理人
主权项
地址
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