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发明名称
Method for welding steel tubing
摘要
申请公布号
US2775675(A)
申请公布日期
1956.12.25
申请号
US19530372502
申请日期
1953.08.05
申请人
REPUBLIC STEEL CORPORATION
发明人
FOXX NORBERT E.
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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