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发明名称
Tube coupling
摘要
申请公布号
US2420778(A)
申请公布日期
1947.05.20
申请号
US19450578040
申请日期
1945.02.15
申请人
THE WEATHERHEAD COMPANY
发明人
HEROLD ROBERT E.
分类号
F16L17/067;F16L19/03;F16L19/04
主分类号
F16L17/067
代理机构
代理人
主权项
地址
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