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发明名称
METHOD OF PRODUCING CORRUGATED TUBES
摘要
申请公布号
SU1299657(A1)
申请公布日期
1987.03.30
申请号
SU19853931585
申请日期
1985.07.12
申请人
DN METALL I IM.L.I.BREZHNEVA
发明人
ZAKHAROVA ZOYA D,SU;BURYAK EVGENIJ YU,SU;KASYANENKO SERGEJ N,SU;BURYAK LEONID G,SU;CHAVSHINO YURIJ B,SU
分类号
B21D15/04
主分类号
B21D15/04
代理机构
代理人
主权项
地址
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