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发明名称
BIT PROTECTOR
摘要
申请公布号
SU945355(A1)
申请公布日期
1982.07.23
申请号
SU19701485712
申请日期
1970.10.26
申请人
KARNAUKHOV LEV A,SU;ANASHKINA OLGA L,SU
发明人
KARNAUKHOV LEV A,SU;ANASHKINA OLGA L,SU
分类号
E21B12/04;(IPC1-7):E21B12/04
主分类号
E21B12/04
代理机构
代理人
主权项
地址
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