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
Bohrmaschine fuer den Bergbau
摘要
申请公布号
DE914483(C)
申请公布日期
1954.07.05
申请号
DE1952U001862
申请日期
1952.10.07
申请人
UNION CARBIDE;CARBON CORPORATION
发明人
ALSPAUGH PAUL LUTHER
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AUTOMATIC OIL PRESSURE SWITCH VALVE
INJECTION MOLDING MACHINE
ULTRASONIC INTRUSION DETECTION SYSTEM SIGNAL PROCESSING CIRCUIT
ENGINE STARTING AID
FLUID COKING PROCESS INCORPORATING GASIFICATION OF PRODUCT ORE
BOW CORD RETRACTING AND RELEASING DEVICE
STITCHING MACHINE WITH INERTIAL (DC) MOTOR FOR PULL ROLLS AND ELECTRONIC CONTROL THEREOF
PRINTING PROCESS EMPLOYING MOISTURE
AZO COMPOUNDS
METHOD OF ORIENTATION OF ELECTRICALLY CONDUCTIVE BODIES BY MAGNETIC FIELD AND DEVICE FOR PERFORMING THIS METHOD
HYDRAULIC ACCUMULATOR CHARGE DETECTOR AND INDICATING SYSTEM
PROCESS FOR DRYING HYDROPHILIC ORES AND RECOVERING SULFUR THEREFROM
DOPPLER MAPPING RADAR
ANALOGUE-DIGITAL CONVERTING APPARATUS
MONITORING SYSTEM FOR DOOR STATIONS
METHOD AND APPARATUS FOR CREATION OF CYLINDRICAL, SINGLE WALL DOMAINS
KEY-CONTROLLED ELECTRONIC SECURITY SYSTEM
ADJUSTABLE ANNULAR POTENTIOMETER WITH TERMINAL ATTACHMENT MEANS
ADJUSTABLY COUPLED RADIO FREQUENCY TRANSFORMER
FREQUENCY MODULATION BY LIGHT IMPINGEMENT ON A SOLID STATE OSCILLATOR
