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发明名称
METHOD FOR UNDERWATER FRICTION WELDING OF METALLIC ARTICLES
摘要
申请公布号
GB1473716(A)
申请公布日期
1977.05.18
申请号
GB19740040511
申请日期
1974.09.17
申请人
AGENCY OF IND SCIENCE TECH
发明人
分类号
B23K20/12;(IPC1-7):B23K19/02
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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