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发明名称
Improvements in or relating to welding rods
摘要
申请公布号
GB533805(A)
申请公布日期
1941.02.20
申请号
GB19390030906
申请日期
1939.11.27
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
B23K35/04;B23K35/365
主分类号
B23K35/04
代理机构
代理人
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