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发明名称
METHOD OF PRODUCING CORRUGATED ROLL-FORMED SECTIONS WITH ADDITIONAL CORRUGATIONS ON HORIZONTAL WALLS OF MAIN CORRUGATIONS
摘要
申请公布号
SU1547915(A1)
申请公布日期
1990.03.07
申请号
SU19884442502
申请日期
1988.06.20
申请人
UK NII METALLOV
发明人
DOKTOROV MARK E,SU;OLEJNIK GRIGORIJ 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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