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发明名称
PIPE ELECTRIC WELDING APPARATUS
摘要
申请公布号
SU1473874(A1)
申请公布日期
1989.04.23
申请号
SU19874307487
申请日期
1987.09.18
申请人
URALSKIJ NII TRUBNOJ PROMYSHLENNOSTI
发明人
BOROVLEV BORIS N,SU;PYKHOV SERGEJ I,SU;KALYAGIN GENRIKH K,SU;ISTOMIN PAVEL V,SU;KRICHEVSKIJ EVGENIJ M,SU;LAMIN ALEKSANDR B,SU;POKLONOV GENNADIJ G,SU;MYAGKOV YURIJ P,SU
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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