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经营范围
发明名称
Improvements in or relating to friction welding
摘要
申请公布号
GB963693(A)
申请公布日期
1964.07.15
申请号
GB19630050398
申请日期
1960.07.25
申请人
AMERICAN MACHINE & FOUNDRY COMPANY
发明人
分类号
B23K20/12;F42B14/02
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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