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经营范围
发明名称
MECHANICAL JAR
摘要
申请公布号
SU1032166(A1)
申请公布日期
1983.07.30
申请号
SU19813272444
申请日期
1981.04.06
申请人
SEREZHNIKOV VLADIMIR V,SU;SELIVANOV VALERIJ,SU;FEDYANIN ALEKSANDR V,SU
发明人
SEREZHNIKOV VLADIMIR V,SU;SELIVANOV VALERIJ I,SU;FEDYANIN ALEKSANDR V,SU
分类号
E21B31/107;(IPC1-7):E21B31/10
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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