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发明名称
METHOD OF CHANGING SHAPE OF CYLINDRICAL HOLLOW WELDED WORKS
摘要
申请公布号
SU858987(A1)
申请公布日期
1981.08.30
申请号
SU19792790250
申请日期
1979.07.10
申请人
KI POLT I IM. 50-LETIYA VELIKOJ SOTSIALISTICHESKOJ REVOLYUTSII
发明人
KRIVDA LEONID T,SU;PSHENISHNYUK ALEKSANDR S,SU
分类号
B21D37/12;(IPC1-7):B21D37/12
主分类号
B21D37/12
代理机构
代理人
主权项
地址
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