VERWENDUNG VON BETAINEN BEI DER ERDOELGEWINNUNG,申请号DE19752532469-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	VERWENDUNG VON BETAINEN BEI DER ERDOELGEWINNUNG
摘要
申请公布号	DE2532469(B2)	申请公布日期	1978.02.16
申请号	DE19752532469	申请日期	1975.07.19
申请人		发明人
分类号	E21B43/22;C09K8/584;(IPC1-7):E21B43/22;C07C101/00	主分类号	E21B43/22
代理机构		代理人
主权项
地址

您可能感兴趣的专利

MOISTURE ABSORBING ROD

DEVICE AND METHOD FOR TREATING NITRATE NITROGEN IN SEA WATER

SUPERFINE PULVERIZING METHOD FOR WASTE MATERIAL

HIGH DEGREE DENITRIFYING METHOD OF WASTE WATER

METHOD OF PRODUCING CONCENTRATED HOT-SPRING WATER

FOLDING CLAMP FOR EXCHANGEABLE WATCH STRAP

METHOD FOR PROCESSING FLY ASH CONTAINING ALKALI COMPONENT

RADIATION PHOTOGRAPHING APPARATUS

METHOD AND APPARATUS FOR CLEANING OUTER FACE OF SOLAR CELL PANEL

FILTER FOR WATER TREATMENT

BEAST PREVENTION FENCE

PROTECTIVE MATERIAL FOR FIELD CROP

METHOD FOR RELEASING MASKING TAPE

PEST EXTERMINATION DEVICE OF EXHAUST CIRCULATION TYPE VACUUM CLEANER

INSTALLATION ISLAND FOR SLOT MACHINE

ECCENTRIC WEIGHT FOR MICROVIBRATION MOTOR AND ITS INSTALLATION METHOD

CLEANING METHOD FOR REMOVING OIL FROM CONTAINER, INTRACONTAINER OIL RECOVERING DEVICE, COMPRESSOR CRUSHING AND SORTING METHOD, COMPRESSOR CRUSHING DEVICE AND COMPRESSING DEVICE

AIR BLOW-OFF NOZZLE

21ST CENTURY BAG