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发明名称
Прибор для взятия проб газа из скважин, эксплуатируемых насосом
摘要
申请公布号
SU35782(A1)
申请公布日期
1934.04.30
申请号
SU19310095921
申请日期
1931.10.13
申请人
VASILEVSKIJ M.M.
发明人
VASILEVSKIJ M.M.
分类号
E21B49/08;G01N1/22
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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