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
摘要
申请公布号
DE2126916(B2)
申请公布日期
1981.09.10
申请号
DE19712126916
申请日期
1971.05.29
申请人
SCHLUMBERGER TECHNOLOGY CORP., NEW YORK, N.Y., US
发明人
NUTTER, BENJAMIN P., BELLVILLE, TEX., US;YOUNG, DAVID E.;KISLING, JAMES W., HOUSTON, TEX., US
分类号
E21B34/12;E21B49/08;(IPC1-7):E21B49/08
主分类号
E21B34/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Redundant decoder
TAXOL DERIVATIVES, MANUFACTURE AND PHARMACEUTICAL COMPOSITION
MACROCOMMAND EDITING SYSTEM
PROCESSO DE IMPEDIR VELOCIDADE CRITICA,PARA USO NO CONTROLE DA VELOCIDADE EM TURBINA-GERADOR EOLICA DE VELOCIDADE VARIAVEL E APARELHO PARA CONTROLAR TURBINA-EOLICA DE VELOCIDADE VARIAVEL-GERADOR
ELECTROPHOTOGRAPHIC SENSITIVE BODY
ROTATION SPEED ADJUSTING DEVICE
D9-DEUTERATED VALERIC ACID AND PRODUCTION THEREOF
FODER INDEHOLDENDE BACILLUS SUBTILIS C-3102
KIRURGISK VAERKTOEJ TIL STRAEKNING AF HUDEN
KONTINUERLIG FREMGANGSMAADE TIL EKSTRAKTION AF CARBOXYLSYRER, ALDEHYDER, KETONER, ALKOHOLER OG PHENOLER FRA FORTYNDEDE VANDIGE OPLOESNINGER
METODO MEJORADO PARA PRODUCIR UN ARTICULOS REVESTIDO CON UN MATERIAL ALTAMENTE DURO Y PRODUCTO RESULTANTE
TAMPA ADAPTADA PARA ECERRAR UM SUBSTRATO,CONJUNTO E CONJUNTO PARA ENCERRAR UM SUBSTRATO ALONGADO
DISPOSITIVO PARAFUSO-PORCA
Prefabricated bow form
Method for the clarification of sewage and other wastes
Method and apparatus for shielding a stream of liquid metal
ANTIARRHYTHMIC AGENTS.
SOCKET FOR SEMICONDUCTOR DEVICE
TRANSFORMER IMPEDANCE VARIABLE TYPE RECEPTION CIRCUIT
MANUFACTURE OF SEMICONDUCTOR DEVICE