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
Oil based drilling muds
摘要
申请公布号
GB2247479(B)
申请公布日期
1994.11.09
申请号
GB19910017217
申请日期
1991.08.09
申请人
THE * BRITISH PETROLEUM COMPANY P.L.C.
发明人
PHILLIP STEPHEN * SMITH
分类号
C09K8/36;(IPC1-7):C09K7/06
主分类号
C09K8/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Dual-valve, dual-element, constant flow, filter assembly
Process for joining metallic surfaces and products made thereby
Organic dispersants for organic pigments in aqueous systems
2-cyano-6-oxybenzothiazole and methods of preparing same
Extruders for plastic material
Filter with a horizontal rotating table
Cage roll structure
Pulse compression radar tracking system
Multivibrator frequency modulator
Stabilised power supply circuits
Method and apparatus for recording and reproducing analog fm data without distortion
Circuit breaker
Transistor avalanche mode pulse generator
Retard sensor for retarded bombs
Cross-linked reaction product of aziridinyl polyester resins with cyclic anhydrides
N-aralkyl-1, 1-diphenyl-propylamine derivatives
Preparation of phosphine
Method and apparatus for removing liquids from fibrous articles using a porous polyamide body
Machine for forming, printing and applying labels to products
Photographic products
