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
WATER REMOVAL DEVICE FOR SLOPINGLY INCLINED DRILL-HOLES
摘要
申请公布号
EP0019683(A3)
申请公布日期
1981.04.22
申请号
EP19800100526
申请日期
1980.02.02
申请人
BERGWERKSVERBAND GMBH
发明人
BODE, ERWIN
分类号
E21B43/12;E21B43/38;F04F1/06;(IPC1-7):E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROPYLENE/ALPHA-OLEFINS BLOCK INTERPOLYMERS
METHOD FOR CONTINUOUSLY ANNEALING AND PREPARING STRIP OF HIGH-STRENGTH STEEL FOR THE PURPOSE OF HOT-DIP GALVANIZING IT
MOBILE WIND AND SOLAR ENERGY AGGREGATE
AMBIDEXTROUS SECTIONAL PIZZA BOX
ANGLED BED FOR REGENERATIVE HEAT EXCHANGER
METHOD OF PRODUCING HIGHLY PERMEABLE MICROPOROUS POLYOLEFIN MEMBRANE
METHOD FOR IMPROVING THE STABILITY OF A SLURRY
ELECTRODE CARRYING SURGICAL DRAPE AND METHOD
STEELMAKING USING MAGNESIUM CARBONATE
METHOD AND APPARATUS FOR IMPLEMENTING H-ARQ IN A MIMO WIRELESS COMMUNICATION SYSTEM
ALERTING FOR LONG DURATION SESSIONS IN COMMUNICATIONS NETWORKS
HIGH SOLIDS CONTENT, LOW-VISCOSITY EMULSION POLYMERS
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
CONTINUOUSLY VARIABLE POWER SPLIT TRANSMISSION (CVPST) SYSTEM FOR USE IN A HYBRID VEHICLE
Plasma display device
