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发明名称
METHOD OF MANUFACTURE OF CORRUGATED PIPES
摘要
申请公布号
SU1724403(A1)
申请公布日期
1992.04.07
申请号
SU19904810159
申请日期
1990.04.04
申请人
VNI PI PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
NIKITCHENKO VASILIJ G,SU;MISHCHENKO VLADIMIR A,SU;YARYSH ALEKSANDR T,SU
分类号
B21C1/00;B21B23/00
主分类号
B21C1/00
代理机构
代理人
主权项
地址
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