首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
DEVICE FOR SUPPLYING FOAM TO BOREHOLE
摘要
申请公布号
SU1571204(A1)
申请公布日期
1990.06.15
申请号
SU19884466516
申请日期
1988.07.26
申请人
PROIZV GEOLOGICHESKOE OB "TSENTRGEOLOGIYA"
发明人
SERGEEV SERGEJ N,SU;BALTER IGOR B,SU;KHAUSTOV IGOR P,SU;PETROV IGOR P,SU;PANKOV ANATOLIJ V,SU;GROSUL VIKTOR N,SU;KAVINSKIJ VLADIMIR O,SU
分类号
E21B21/14
主分类号
E21B21/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Spreader for caponizing
Meter
Continuous butter-working machine
Method of evaporating liquids and apparatus therefor
Dispensing holder for collapsible tubes
Mechanical movement
Compressor for refrigerating apparatus
Conduit
Apparatus for cleaning or polishing articles
Method of making milk product
Operating mechanism for machine guns
Brace and cross-bearer for freight cars
Hydrocarbon-oil treatment
Typewriting machine
Doorknob
Bread-slicing machine
Pressure-controlling valve
Universal joint
Track-switch-controlling apparatus
Closure