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发明名称
Method of and means for removal of fumes created in welding operations
摘要
申请公布号
GB624762(A)
申请公布日期
1949.06.15
申请号
GB19470018126
申请日期
1947.07.09
申请人
FREDERICK CHARLES STEWART
发明人
分类号
B08B15/02
主分类号
B08B15/02
代理机构
代理人
主权项
地址
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