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发明名称
APPARATUS FOR REMOVING INNER FINS AT FRICTION WELDING OF TUBES
摘要
申请公布号
SU852478(A1)
申请公布日期
1981.08.07
申请号
SU19792844565
申请日期
1979.11.29
申请人
SUTOVSKIJ PAVEL M,SU;NERSESYAN RELIK A,SU
发明人
SUTOVSKIJ PAVEL M,SU;NERSESYAN RELIK A,SU
分类号
B23K20/12;(IPC1-7):B23K20/12
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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