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发明名称
APPARATUS FOR MANUFACTURING HELICAL-SEAM PIPES
摘要
申请公布号
SU1240486(A1)
申请公布日期
1986.06.30
申请号
SU19843827191
申请日期
1984.12.20
申请人
VNI PK I METALL MASHINOSTROENIYA
发明人
VANINSKIJ VLADIMIR M,SU;GRUM-GRZHIMAJLO NIKOLAJ A,SU;TROFIMENKO YURIJ N,SU
分类号
B21C37/12
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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