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
Устройство для автоматической подачи долота при бурении скважин
摘要
申请公布号
SU98088(A2)
申请公布日期
1953.11.30
申请号
SU19510447621
申请日期
1951.12.31
申请人
TYARASOV G.P.
发明人
TYARASOV G.P.
分类号
E21B44/02
主分类号
E21B44/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AERODYNAMIC FOREBODY SHAPE FOR VAN TRAILER
REROUTING SUPPORT SYSTEM AND REROUTING SUPPORT METHOD
NEW MICROORGANISM WHICH DEGRADE DEOXYNIVALENOL
SHRINKAGE-REDUCED POROUS CONCRETE AND ITS MANUFACTURING METHOD
METHOD AND APPARATUS FOR TREATING PEROXIDE-CONTAINING WASTEWATER
LOCKING DEVICE FOR VEHICLE
ATTENUATED TOTAL REFLECTION PROBE AND AQUEOUS SOLUTION SPECTROMETRIC DEVICE BY USING THE SAME
IP TELEPHONE DATA RELAY PROGRAM, IP TELEPHONE DATA RELAY SERVER AND IP TELEPHONE SYSTEM
RADIO APPARATUS AND RADIO COMMUNICATION NETWORK USING THE SAME
INFORMATION PROCESSING SYSTEM, SERVER UNIT, DATA TRANSFER METHOD AND PROGRAM
LIQUID CRYSTAL DEVICE, ELECTRONIC EQUIPMENT AND LOCALIZATION METHOD
DISCOUNT GUIDANCE DEVICE
NETWORK CONTROL SYSTEM
COMMUNICATION JAMMING DEVICE AND COMMUNICATION JAMMING PROGRAM
COMPOSITION FOR FORMING THIN FILM TYPE ELECTRON EMISSION MATERIAL, THIN FILM TYPE ELECTRON EMISSION MATERIAL, ITS MANUFACTURING METHOD, AND FIELD EMISSION TYPE ELEMENT
COMPOSITE TOUCH SENSOR
ULTRASOUND SYSTEM AND METHOD OF FORMING ULTRASOUND IMAGES
CONSTANT CURRENT CIRCUIT AND LIGHT-EMITTING DIODE DRIVING DEVICE USING CONSTANT CURRENT CIRCUIT
LAMINATED MATERIAL AND ITS PRODUCTION METHOD, WAVE LENGTH PLATE AND OPTICAL FILM
THERMOELECTRIC CONVERSION MODULE AND SUBSTRATE THEREFOR
