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发明名称
Improvements in or relating to tubes and joints therefor
摘要
申请公布号
GB663800(A)
申请公布日期
1951.12.27
申请号
GB19490016693
申请日期
1949.06.23
申请人
THE YORKSHIRE COPPER WORKS LIMITED
发明人
BRECKON CLIFFORD
分类号
B23K1/20;F16L13/08
主分类号
B23K1/20
代理机构
代理人
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地址
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