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发明名称
The method of butt joining a pair of tubes
摘要
申请公布号
GB823751(A)
申请公布日期
1959.11.18
申请号
GB19570016522
申请日期
1957.05.24
申请人
COMBUSTION ENGINEERING, INC.
发明人
分类号
B23K13/02
主分类号
B23K13/02
代理机构
代理人
主权项
地址
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