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
Downhole activation circuit valving
摘要
申请公布号
GB9725110(D0)
申请公布日期
1998.01.28
申请号
GB19970025110
申请日期
1997.11.28
申请人
SCHLUMBERGER LIMITED
发明人
分类号
E21B23/04;E21B34/06;E21B34/10;E21B43/1185
主分类号
E21B23/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FIXING RING FOR BEARING OF MOTOR
CUMULATIVE INCREASING APPARATUS FOR VERIFICATION OF A CAR AXLE WEIGHTS
EVAPORATOR DRYING APPARATUS FOR VEHICLE AIRCONDITIONER
PROTECTION CIRCUIT OF COMING IN FALLING OF THUNDERVOLT
REFRIGERANT PIPE STRUCTURE OF REFRIGERATOR
UNDER VOLTAGE DETECTION AND CUT-OFF CIRCUIT
DENJISHIIRUDOYOKYOTAI
PROTECTING APPARATUS OF INJECTION MOLDING MACHINE
DETECTING METHOD OF THE FUNDAMENTAL FREQUENCY OF THE TALKING SIGNAL
INVERTER PLANETARY REDUCER
MILLING MACHINE
SIMPLE MAIZE HYBRID WHICH IS CALLED ORIZONT (ZEA MAYS L CONVAR DENTIFORMIS)
Radiation delivery system
Lastarmsfjädringssystem
Förfarande och anordning för adaptiv dirigering i ett satellitbaserat kommunikationssystem
PROCESSO PARA A PREPARACAO DE CARBAMATOS BENZAZACICLICOS, UTEIS COMO INIBIDORES DE COLINESTERASE
COMPOSICAO AQUOSA QUE CONTEM UM DERIVADO DE BIGUANIDA E SUA UTILIZACAO
PROCESSO PARA A PREPARACAO DE DERIVADOS DE 3-ARIL-INDOL E 3-ARIL-INDAZOL
Composto composição farmacéutica método de alivio de dor e processo para a preparação de um composto
Unidade de refrigeração por sorção
