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
WELL DRILLING RIG WITH VERTICALLY ADJUSTABLE PIPE RACKING APPARATUS
摘要
申请公布号
GB1478529(A)
申请公布日期
1977.07.06
申请号
GB19740050760
申请日期
1974.11.22
申请人
BJ HUGHES INC
发明人
分类号
E21B15/00;E21B15/02;E21B19/06;E21B19/14;E21B19/15;(IPC1-7):E21B19/14
主分类号
E21B15/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SEMICONDUCTOR INTEGRATED CIRCUIT AND SEMICONDUCTOR STORAGE DEVICE
DISK CARTRIDGE
BULB SOCKET
CONTINUOUS MANUFACTURE OF METALLIC SUPERCONDUCTING PLATE MATERIAL OR THE LIKE AND APPARATUS THEREFOR
DESK LUMINAIRE
DISK DRIVING DEVICE
DISK CLAMPING DEVICE
MAGNETO-OPTICAL DISK DEVICE
DANGER OCCURRENCE INFORMING TRANSMITTER
RETRIEVAL RESULT DISPLAY METHOD
DATA REPRODUCING OUTPUT DEVICE
OPTICAL DISK DEVICE
STORAGE MEDIUM FOR STORING KEYWORD WITH GROUP AND HIERARCHY DIVISION IDENTIFIER
DISPLAY DEVICE
ELECTROPHOTOGRAPHIC DEVELOPING METHOD
BUS CONTROLLER
ELECTRONICALLY CONTROLLABLE ANTILOCK BRAKE ACTUATION SYSTEM
MASS SPECTROMETER FOR MACROMOLECULES WITH CRYOGENIC PARTICLE DETECTORS
Disk drive using PRML class IV sampling data detection with digital adaptive equalization
Drive for a twin-screw extruder
