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发明名称
METHOD OF COLD ETRUSION OF TUBES FROM ALUMINIUM-ALLOY INGOTS
摘要
申请公布号
SU889179(A1)
申请公布日期
1981.12.15
申请号
SU19782650334
申请日期
1978.07.28
申请人
MO I STALI I SPLAVOV
发明人
OKHRIMENKO YAKOV M,SU;SHCHERBA VALERIJ N,SU;EFREMOV DMITRIJ B,SU
分类号
B21C23/08;(IPC1-7):B21C23/08
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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