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发明名称
Improvements in a method of gas-shielded arc welding and apparatus for carrying out the method
摘要
申请公布号
GB768912(A)
申请公布日期
1957.02.20
申请号
GB19550011316
申请日期
1955.04.19
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
分类号
B23K9/167
主分类号
B23K9/167
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