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
DRILL STRING
摘要
申请公布号
SU1364691(A1)
申请公布日期
1988.01.07
申请号
SU19864034503
申请日期
1986.03.05
申请人
DO NI UGOLNYJ INSTITUT
发明人
MASLYUK GEORGIJ M,SU;ZAGARENKO ELENA A,SU;GERSHUN OLEG S,SU
分类号
E21B17/046;(IPC1-7):E21B17/046
主分类号
E21B17/046
代理机构
代理人
主权项
地址
您可能感兴趣的专利
BUS SYSTEM AND BUS INTERFACE FOR CONNECTION TO A BUS
SEGMENTIERTES DMA MIT XOR-PUFFER FÜR SPEICHERUNTERSYSTEME
METHOD FOR PRODUCING HEAT-GENERATING FORMED PRODUCT
SYSTEM AND METHOD FOR TRACKING MOVEMENT OF INDIVIDUALS
ADJUVANTED MENINGOCOCCUS COMPOSITIONS
FAHRZEUGGETRIEBEVORRICHTUNG
METHYL ALUMINO-OXY-VERBINDUNGEN UND KATALYSATOREN ZUR HERSTELLUNG VON POLYMEREN, DIE SIE ENTHALTEN
Flexschaltungs-Halterungs- und -Dichtungsvorrichtung für ein Plattenlaufwerk
SYSTEM AND METHOD FOR BATTERY CHARGING
ADJUSTABLE POSITIONING ASSEMBLY FOR A FREE-STANDING OBJECT
HUMIDIFICATION CELL
AUDIO AND/OR VISUAL SYSTEM, METHOD AND COMPONENTS
DIGITAL VIDEO SYNCHRONIZER WITH BOTH DECODED DIGITAL AND UNDECODED ANALOG OUTPUTS
METHOD FOR TRANSMITTING CHARGES DETERMINING SIGNALS OVER A DATA TRANSMISSION PATH AND DEVICE FOR VOLTAGE LEVEL GENERATION
MOTOR WITH DOUBLE ROTORS STRUCTURE
MATERIAL CODE RECORDING AND READING METHOD AND DEVICES DESIGHED FOR PROTECTION OF PRODUCTS AND CONTROL OF THEIR AUTHENTICITY
DETECTION OF OPTIC NERVE HEAD IN A FUNDUS IMAGE
MAGNETIC SATURATION AND COUPLING
RAW MATERIAL LOADING DEVICE FOR ROTARY HEARTH FURNACE
FLEXIBLE DUCT FOR A MICROTURBINE
