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发明名称
DEVICE FOR SAMPLING BOTTOMS
摘要
申请公布号
SU628283(A1)
申请公布日期
1978.10.15
申请号
SU19772486321
申请日期
1977.05.11
申请人
LE , OP¯EHA OKTù¬PÓCKOö PEBOó½|ôô, OP¯EHA TPY¯OBO×O KPACHO×O ³HAMEHô ×OPHÕö ôHCTôTYT ôMEHô ×.B.üóEXAHOBA
发明人
LUKOSHKOV ANDREJ V,SU
分类号
E21B7/12;E21B49/02;(IPC1-7):E21B7/12
主分类号
E21B7/12
代理机构
代理人
主权项
地址
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