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发明名称
METHOD OF PRODUCING WELDED RING-TYPE PARTS
摘要
申请公布号
SU1532163(A1)
申请公布日期
1989.12.30
申请号
SU19864140562
申请日期
1986.10.28
申请人
VANIN GEORGIJ N,SU;YAKIMOV SERGEJ E,SU;GROSMAN ALEKSANDR B,SU;SIMOVSKIKH VLADIMIR N,SU
发明人
VANIN GEORGIJ N,SU;YAKIMOV SERGEJ E,SU;GROSMAN ALEKSANDR B,SU;SIMOVSKIKH VLADIMIR N,SU
分类号
B21D53/16
主分类号
B21D53/16
代理机构
代理人
主权项
地址
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