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经营范围
发明名称
DEVICE FOR SWEEPING-UP WELLS
摘要
申请公布号
SU956772(A1)
申请公布日期
1982.09.07
申请号
SU19813244794
申请日期
1981.02.04
申请人
VNII ISPOLZOVANIYA GAZA V NARODNOM KHOZYAJSTVE PODZEMNOGO KHRANENIYA NEFTI,HE´TEüPO¯ÔKTOB ô CÖôÖEHHÕX ×A³OB
发明人
PUZYREV PAVEL F,SU;CHIGIRINSKIJ REMA E,SU;SHIROCHENSKIJ SERGEJ I,SU
分类号
E21B47/092;(IPC1-7):E21B47/00
主分类号
E21B47/092
代理机构
代理人
主权项
地址
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