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
DEEP-WELL PERFORATOR
摘要
申请公布号
SU720141(A1)
申请公布日期
1980.03.05
申请号
SU19762346043
申请日期
1976.04.12
申请人
V NEFTEGAZOVYJ NAUCHNO- I I VNII
发明人
SAVRASOV ALEKSANDR A,SU;MIKLIN YURIJ A,SU;LESIK NIKOLAJ P,SU;OVSYANNIKOV VLADIMIR G,SU;DZHEMALINSKIJ VLADIMIR K,SU;GUSEV VLADIMIR ,SU
分类号
E21B43/114;(IPC1-7):E21B43/11
主分类号
E21B43/114
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PULSE TRANSMISSION SYSTEM
FORMING METHOD OF FILMS ON SUBSTRATES HAVING STEPPED PORTIONS
DIGITAL MESSAGE TRANSMISSION SYSTEM
DEVICE FOR DETECTING AND DIAGNOSING TEMPERATURE
WATER TANK FOR MEASURING ULTRASONIC WAVE
RECORD CATCHER
METHOD OF TREATING WATER CONTAINING FERRIC HYDROXIDE
EXECUTION METHOD OF CONTROL OF WHITE ANT
METHOD OF EXPLORING SUBSOIL OF FOUNDATION FOR TRANSMISSION TOWER
FILTER
APPARATUS FOR SEPARATING MIXED SOLUTION OF TWO LIQUIDS HAVING DIFFEREN T SPECIFIC WEIGHTS
NONNCONDENSABLE GAS SEPARATOR FOR DOUBLE EFFECT ABSORPTION SYSTEM REFR IGERATOR
HOTTWATER SUPPLYING MACHINE
BALCONY SHIELDING STRUCTURE
TWOOSIDE SAWING DEVICE
ELECTOMAGNETICAALYYDRIVEN FLUID MACHINES
Rose plant
Shaft position sensor
Sodium filled flexible transmission cable
Transducer having piezoelectric film arranged with alternating curvatures