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发明名称
VACUUM DEEP-WELL SAMPLER
摘要
申请公布号
SU571590(A1)
申请公布日期
1977.09.05
申请号
SU19752158175
申请日期
1975.07.17
申请人
INST GEOFIZIKI URALSKOGO NAUCHNOGO TSENTRA AN SSSR
发明人
KARTASHOV NIKOLAJ P,SU;YURKOV ANATOLIJ K,SU
分类号
E21B49/02;G01N1/10;(IPC1-7):E21B49/02
主分类号
E21B49/02
代理机构
代理人
主权项
地址
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