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发明名称
METHOD OF MANUFACTURING ROLL-FORMED UNEQUAL CHANNELS HAVING A STEPPED WALL
摘要
申请公布号
SU1389903(A1)
申请公布日期
1988.04.23
申请号
SU19864121776
申请日期
1986.09.24
申请人
UK NII METALLOV
发明人
DOKTOROV MARK E,SU;PSHENICHNAYA NATALYA V,SU;KUZMIS EDUARD V,SU
分类号
B21D5/06
主分类号
B21D5/06
代理机构
代理人
主权项
地址
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