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经营范围
发明名称
INTERVAL PACKER
摘要
申请公布号
SU901472(A1)
申请公布日期
1982.01.30
申请号
SU19802889103
申请日期
1980.03.06
申请人
PECHORSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
KOROLEV IGOR P,SU;TIMOSHIN SERGEJ V,SU;RYBOLOVLEV KLAVDIJ P,SU;MAZURIK STEPAN M,SU;NAPIRAJ EVGENIJ B,SU
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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