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
APPARATUS AND METHOD FOR RAISING AND LOWERING A PISTON IN A PISTON-CYLINDER ARRANGEMENT IN A DERRICK
摘要
申请公布号
EP0868593(A1)
申请公布日期
1998.10.07
申请号
EP19960943394
申请日期
1996.12.18
申请人
MARITIME HYDRAULICS A.S.
发明人
VATNE, PER
分类号
E21B19/02;E21B15/00;E21B19/086;(IPC1-7):E21B19/02
主分类号
E21B19/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COMPOSITIONS FOR THE REMOVAL OF HYDROCARBON AND INDUSTRIAL WASTE BY BIOLOGICAL DEGRADATION
Display package - of plastics foam layers adhered to a base into whic objects are pressed by hand
Flame-retardants for articles made of polymeric materials - esp polya polyesters polyacrylo nitrile
Cable termination - with electric field control system to prevent flash over
Carrier bag of thermoplastic film - with folding flap closure and handle
Photochromatic materials - based on calcium or stontium titanate with stoichiometric excess of titanium oxide
Freilaufrückschlagventil
PRODUCTION OF ELEMENTARY METALS FROM MELTS OR SOLUTIONS OF METAL SALTS
AMINO-ANTHRACENE DERIVATIVES,THEIR MANUFACTURE AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
Matratze
APARATO PERFECCIONADO PARA MEDICION DE FUERZA DE IMPACTO.
SOPORTE-GUIA PERFECCIONADO.
EQUIPO ELEVADOR DE AGUA, ESPECIALMENTE PARA INSTALACIONES MOVILES.
NUEVA FONTURA PARA MAQUINAS DE REMALLAR PRENDAS DE GENERO DE PUNTO.
APARATO CICLOESTATICO PARA GIMNASIA.
TOCADO.
COLGADOR PERFECCIONADO.
ENVOLVENTE DE REACTANCIAS.
MONTAJE PERFECCIONADO PARA PLAFONES Y PORTALAMPARAS FLUO- RESCENTES.
PANEL PERFECCIONADO PARA CERRAMIENTOS.