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发明名称
ROLL FOR CROSS-HELICAL ROLLING EXPANSION OF TUBES
摘要
申请公布号
SU710692(A1)
申请公布日期
1980.01.29
申请号
SU19782603350
申请日期
1978.04.12
申请人
DN METALL INSTITUT
发明人
DRUYAN VLADIMIR M,SU;KIRICHENKO VIKTOR V,SU;GULYAEV YURIJ G,SU;UGRYUMOV YURIJ D,SU;KHOTIMSKIJ YULIJ L,SU
分类号
B21B27/02;(IPC1-7):B21B27/02
主分类号
B21B27/02
代理机构
代理人
主权项
地址
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