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发明名称
PACKER
摘要
申请公布号
SU1154452(A1)
申请公布日期
1985.05.07
申请号
SU19833680432
申请日期
1983.12.28
申请人
V NEFTEGAZOVYJ NI INSTITUT
发明人
ABRUKIN ABRAM L,SU;OSADCHIJ VLADIMIR M,SU
分类号
E21B47/10;E21B33/12;(IPC1-7):E21B47/10
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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