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
Способ термохимической обработки нефтяных пластов
摘要
申请公布号
SU89877(A2)
申请公布日期
1951.11.30
申请号
SU19490408203
申请日期
1949.12.06
申请人
GEJMAN M.A.;STOLYAROV A.D.
发明人
GEJMAN M.A.;STOLYAROV A.D.
分类号
E21B43/24;E21B43/27
主分类号
E21B43/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Dispositif de guidage et raccord d'extrémité remplaçable pour extrémités de canalisations flexibles utilisables en mer.
Soupape pour commander l'écoulement d'un fluide sous pression au travers de la section de passage entre deux conduits d'entrée et de sortie.
Packaging process for goods displayed in shops - using vertical support consisting of rods filled with packaged articles and covered with plastics film
SUPER FINE CATHODE-RAY TUBE AND MANUFACTURE THEREOF AND MANUFACTURING APPARATUS THEREFOR
Unité d'injection pour machines à mouler par injection.
Pont de transbordement pour des installations de triage de lettres.
COMPOSITE LIGHT-SHIELDING PLATE
Adjustable spring for gymnastic apparatus - is fixed to upper disc and lower mobile disc and has hair-pin shaped bar through spring and joined to lower disc
SEMICONDUCTOR MEMORY DEVICE
SEMICONDUCTOR MEMORY DEVICE
OPTICAL DISK REPRODUCING DEVICE
FLOPPY DISK AND ITS PRODUCTION
STW DEVICE FOR MAGNETIC DISK
VOICE RECORDING MEDIUM AND ITS VOICE REPRODUCING DEVICE
OPTICAL SPOT POSITIONING DEVICE
MANUFACTURE OF MAGNETIC RECORDING MEDIUM UNIT AND MAGNETIC RECORDING MEDIUM UNIT
FLUORESCENT DISPLAY PANEL WITH BUILT-IN DRIVING SEMICONDUCTOR ELEMENT
CIRCUIT BREAKER
INSULATED ELECTRIC WIRE
MANUFACTURE OF MAGNETO-OPTICAL RECORDING MEIDUM