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
FremgangsmÕte for forökelse av utvinning av petroleumolje
摘要
申请公布号
NO991269(A)
申请公布日期
1999.09.28
申请号
NO19990001269
申请日期
1999.03.16
申请人
PETROLEO BRASILEIRO SA - PETROBRSS
发明人
OLIVEIRA, MARCIA CRISTINA KHALIL DE;KHALIL, CARLOS NAGIB
分类号
C09K8/58;E21B43/20;(IPC1-7):E21B43/22
主分类号
C09K8/58
代理机构
代理人
主权项
地址
您可能感兴趣的专利
书桌（F01）
地柜(SSZ2043)
THE USE OF SULFUR-CONTAINING FUELS FOR DIRECT OXIDATION FUEL CELLS
Radio remote control for photographic equipment
Self-aligned process for manufacturing phase change memory cells
Method of producing malt alcohol beverages
Improved p-type thermoelectric materials, a process for their manufacture and uses thereof
Device for mixing and/or filtering melt of an injection molding machine
Machine tool with a device for detecting vibration on its rotary table
LED-light and device consisting of lamp body and LED-power supply device
TISSUE REPAIR WITH MULTIPOTENT CELLS
High-pressure lamp and associated system and method for the resonant operation of high-pressure lamps in longitudinal mode
Image processor
ANOMALY MANAGEMENT SCHEME FOR A MULTI-AGENT SYSTEM
IMAGE DATA COMPRESSING METHOD AND RESTORING METHOD
Substrate processing device
Method and system for broadcasting interactive multimedia in a room complex, especially a hotel structure, method for optimization therefore and multimedia receiver equipment for that system
IN-VIVO INFORMATION ACQUISITION APPARATUS AND IN-VIVO INFORMATION ACQUISITION APPARATUS SYSTEM
FRONT STAGE FOR LOW-NOISE AMPLIFIER PAIR
METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING TRANSMISSION STATUS INFORMATION AND BUFFER STATE INFORMATION IN A MOBILE COMMUNICATION SYSTEM THAT SUPPORTS UPLINK PACKET SERVICE
