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
METHOD OF PREVENTING THE CLOGGING OF WELL FILTER WITH SAND AND ENHANCING SPECIFIC YIELD
摘要
申请公布号
SU1550102(A1)
申请公布日期
1990.03.15
申请号
SU19874263889
申请日期
1987.06.16
申请人
PERMSKIJ G UNIV IM.A.M.GORKOGO
发明人
ARKHIDYAKONSKIKH YURIJ V,SU
分类号
E21B43/04
主分类号
E21B43/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Molecule separation device and method combining multiple filtration media
Polymeric matrix compatibilized naphthopyrans
Flexible composite sheet
APPARATUS FOR THE STORAGE OF DOUGH PRODUCTS IN A FERMENTATION CHAMBER
Data broadcast receiving apparatus and method
Redundancy architecture for an interleaved memory
Locking device
Method of manufacturing a semiconductor device
Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method
Status indicator light
Tricoaxial injection element
Automatic ice maker
Gas distribution apparatus for semiconductor processing
Mn-Zn ferrite and production process thereof
Lamp, in particular home, table or pocket lamp
SILICON NITRIDE MEMBER, METHOD FOR MANUFACTURING THE SAME, AND CUTTING TOOL
Silver halide photographic material
Automotive alternator
Liquid crystal alignment structure
Device and method for detecting position of movable body by using ultrasonic waves
