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经营范围
发明名称
WELDED TUBE FITTING
摘要
申请公布号
US3439941(A)
申请公布日期
1969.04.22
申请号
USD3439941
申请日期
1966.07.27
申请人
WEATHERHEAD CO.:THE
发明人
JOHN NICOL
分类号
F16L13/02;(IPC1-7):F16L13/02;F16L47/02
主分类号
F16L13/02
代理机构
代理人
主权项
地址
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