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发明名称
APPARATUS FOR CORING BODIES OF REVOLUTION FROM ROCK BODY
摘要
申请公布号
SU1684500(A1)
申请公布日期
1991.10.15
申请号
SU19894758516
申请日期
1989.11.16
申请人
VNI PROEKTNO-IZYSKATELSKIJ I PO PROBLEMAM DOBYCHI, TPAHCüOPTA ô üEPEPA¬OTKô MôHEPAóÓHO×O CÕPÓù B üPOMÕÛóEHHOCTô CTPOôTEóÓHÕX MATEPôAóOB
发明人
GABRIELOV BENIAMIN G,SU;SYCHEV YURIJ I,SU;BULEKOV EVGENIJ A,SU;DAVTYAN KARLEN D,SU
分类号
E21C25/06;E21C47/10
主分类号
E21C25/06
代理机构
代理人
主权项
地址
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