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发明名称
METHOD OF MAKING PIPES
摘要
A method of making pipes consists in drawing tubular billets without a mandrel, which is carried out through several dies mounted one under another with displacement of their axes for the value of eccentricity e.
申请公布号
UA79293(U)
申请公布日期
2013.04.25
申请号
UA20120005215U
申请日期
2012.04.27
申请人
DONBAS STATE MACHINE BUILDING ACADEMY
发明人
FEDORINOV VOLODYMYR ANATOLIIOVYCH;TYMOSHENKO SERHII VALERIIOVYCH;ZHBANKOV YAROSLAV HENNADIIOVYCH
分类号
B21C1/04
主分类号
B21C1/04
代理机构
代理人
主权项
地址
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