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
Improvements in and relating to deep drills with eccentric bits
摘要
申请公布号
GB1127395(A)
申请公布日期
1968.09.18
申请号
GB19670008532
申请日期
1967.02.22
申请人
AB SKANSKA CEMENTGJUTERIET
发明人
AHLGREN HANS
分类号
E21B10/66
主分类号
E21B10/66
代理机构
代理人
主权项
地址
您可能感兴趣的专利
APPARATUS AND METHOD FOR DISPLAYING MAP
COPPER-FOIL ANTENNA AND FORMING METHOD THEREOF OF PORTABLE WIRELESS TERMINAL
SEMICONDUCTOR MEMORY DEVICE HAVING SINGLE DATA LINE STRUCTURE
PUNCH PRESS DEVICE
BLEACHING ACTIVATOR COMPOUND CONTAINING BENZENEDIOL LEAVING GROUP AND BLEACHING AGENT COMPOSITION CONTAINING THE SAME
DYNAMIC POSITION CONTROL SYSTEM AND METHOD USING VAPOR TURBINE AND FIXED PITCH PROPELLER
OPTIMUM DATA RECORDING METHOD FOR OPTICAL DISC
METHOD FOR MANUFACTURING WET TISSUE CONTAINING SEA WATER COMPONENTS
METHOD FOR AN INTEGRATED PROTECTION SYSTEM OF DATA DISTRIBUTED PROCESSING IN COMPUTER NETWORKS AND SYSTEM FOR CARRYING OUT SAID METHOD
METHOD FOR RECORDING AND MANAGING REAL TIME NAVIGATION DATA OF HD OPTICAL DISC
DISCOLORATION INHIBITOR FOR METALS
IMPROVED BEVERAGE CONTAINER
METHOD AND APPARATUS FOR TRANSFERRING MATERIAL IN A WELLBORE
DEVICE AND METHOD FOR PROTECTION AGAINST OVERCURRENTS IN AN ELECTRICAL ENERGY DISTRIBUTION CABINET
J-SPECTROSCOPY IN THE WELL BORE
Process for Producing Acrylamide Using Microbial Catalyst Having Been Washed with Aqueous Acrylic Acid Solution
أنسال ( كلونات) لخلايا CDNAلمفاوية جديدة
ELECTRIC POWER SEMICONDUCTOR DEVICE
REMOTE MAGNETIC DRIVING DEVICE OF INTERNAL WIRELESS TELEMETRY CAPSULE
CARBON NITRIDE COATING FORMED ON PARTS FOR AUTOMOBILE ENGINE AND COATING DEVICE THEREFOR
