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发明名称
METHOD OF MANUFACTURING HOLLOW CYLINDRICAL BILLETS FOR THICK-WALLED TUBES
摘要
申请公布号
RU2049590(C1)
申请公布日期
1995.12.10
申请号
RU19930055145
申请日期
1993.12.14
申请人
PERMSKIJ NAUCHNO-ISSLEDOVATELSKIJ TEKHNOLOGICHESKIJ INSTITUT
发明人
ROSTOVSHCHIKOV VALERIJ A;BYCHKOV NIKOLAJ A;LOGINOV YURIJ V;KONEV LEONID G;TYURIN VALERIJ A
分类号
B21J5/00;B21K21/00;(IPC1-7):B21J5/00
主分类号
B21J5/00
代理机构
代理人
主权项
地址
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