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
ANNULUS SEALING DEVICE
摘要
申请公布号
GB2098676(B)
申请公布日期
1985.08.14
申请号
GB19820012299
申请日期
1982.04.28
申请人
COMBUSTION ENGINEERING INC
发明人
分类号
E21B33/00;E21B33/04;E21B33/12;F16J15/16;(IPC1-7):F16J15/12
主分类号
E21B33/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COMPENSATING CIRCUIT FOLLOWED BY AUTOMATIC FREQUENCY CONTROL RANGE EXTENSION
BASE FOR FIRE DETECTOR
PLUNGER CYLINDER ASSEMBLY HAVING A CHECK VALVE FOR A COMPRESSION SOLENOIDAL PUMP
AN ALARM DEVICE OF POWER SUPPLY FOR BATTERY OF CLOCK (TIMEPIECE)
A REFRERENCE CONTACT POINT DEVICE IN THE TIMEPIECE
SUCTION APPARATUS OF A HERMETIC COMPRESSOR
SIGNAL TRANSMISSION MODULE OF ACOUSTIC COUNTER MEASURE
ELECTRIC SEQUENCE CIRCUIT
AUTOMATIC MONITORING METHOD OF VCR
DATA DECODER APPARATUS AND METHOD FOR DIGITAL VIDEO DISC
TOPICAL POWDER COMPOSITIONS
HIGH IMPACT POLYSTYRENE CONTAINING LOW MOLECULAR WEIGHT BROMINATED POLYSTYRENE
Vätske- och gastätt rör
APPARAUTS AND METHOD FOR PROVIDING DATA AND FACSIMILE SERVICES IN A RF COMMUNICATION SYSTEM
METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE COMPRISING A NON-VOLATILE MEMORY CELL HAVING A MULTI-LAYERED FLOATING..
ANGULAR RATE DETECTION APPARATUS, ANGULAR RATE DETECTION APPARATUS AND MOVEMENT CONTROL APPARATUS OF MOVING BODY
SYSTEM FOR REMOVING INSECT AND PARTICLE IN A WATER PURIFIER
FUEL SYSTEM FOR DOUBLE ENGINE FUEL DIESEL ENGINE
COMPOSITION FOR THE OXIDATION DYEING OF KERATINOUS FIBERS AND DYEING PROCESS USING THIS COMPOSITION
SCANNING DEVICE
