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经营范围
发明名称
CORE TOLL
摘要
申请公布号
SU976017(A2)
申请公布日期
1982.11.23
申请号
SU19813292832
申请日期
1981.05.26
申请人
VNI PK I PO OSUSHENIYU MESTOROZHDENIJ POLEZNYKH ISKOPAEMYKH, CüE|ôAóÓHÕM ×OPHÕM PA¬OTAM, PÔ¯HôÚHOö ×EOóO×ôô ô MAPKÛEö¯EPCKOMÔ ¯EóÔ
发明人
BELYAKOV STANISLAV I,SU;PONOMAREV YURIJ V,SU
分类号
E21B25/00;(IPC1-7):E21B25/00
主分类号
E21B25/00
代理机构
代理人
主权项
地址
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