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发明名称
CONVECTOR RING
摘要
申请公布号
SU899688(A1)
申请公布日期
1982.01.23
申请号
SU19802944729
申请日期
1980.06.23
申请人
DN METALL INSTITUT
发明人
MINAEV ANATOLIJ N,SU;GORSHKOV YURIJ F,SU;NEKRASOV ALEKSANDR V,SU;USENKO YURIJ I,SU
分类号
C21D9/673;(IPC1-7):C21D9/67
主分类号
C21D9/673
代理机构
代理人
主权项
地址
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