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发明名称
FRICTIONAL WELDING METHOD
摘要
申请公布号
GB1540399(A)
申请公布日期
1979.02.14
申请号
GB19760052121
申请日期
1976.12.14
申请人
HARIMA SANGYO KK
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
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