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经营范围
发明名称
HYDROMECHANICAL JAR
摘要
申请公布号
SU1686126(A2)
申请公布日期
1991.10.23
申请号
SU19894691223
申请日期
1989.05.15
申请人
KURTOV VENIAMIN D,SU;SEREZHNIKOV VLADIMIR V,SU;SHEVCHENKO KONSTANTIN A,SU
发明人
KURTOV VENIAMIN D,SU;SEREZHNIKOV VLADIMIR V,SU;SHEVCHENKO KONSTANTIN A,SU
分类号
E21B31/107;E21B31/113
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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