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发明名称
SHIELDING GAS FOR ARC WELDING
摘要
申请公布号
GB2132536(B)
申请公布日期
1986.07.16
申请号
GB19820035074
申请日期
1982.12.09
申请人
THE * BOC GROUP PLC
发明人
DERRICK ERNEST * HILTON
分类号
B23K35/38;(IPC1-7):B23K9/16
主分类号
B23K35/38
代理机构
代理人
主权项
地址
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