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-base drilling fluids
摘要
申请公布号
US2637692(A)
申请公布日期
1953.05.05
申请号
US19500192597
申请日期
1950.10.27
申请人
UNION OIL COMPANY
发明人
NAHIN PAUL G.
分类号
C09K8/32
主分类号
C09K8/32
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METERED REMOVAL OF PASTY/FLUID SUBSTANCE
ROTERANDE TORKTRUMMA
BRAENSLEINSPRUTNINGSANORDNING FOER FOERBRAENNINGSMASKINER
IMAGE FORMING APPARATUS
CATHODE-MODULATOR ASSEMBLY OF COPLANAR OPTRONIC SYSTEM
FUSED THIENO (3,2-6)THIOZOLE-2-ANURE DERIVITIVES
16-OXA-3-METHYLBICYCLO (10.3.1) PENTADEC-1-ENE
NONAPRENYLAMINE DERIVATIVES
EPOXY RESIN SURFACE-COATING COMPOSITIONS
SPACE DIVERSITY SYSTEM
CATHODE FOR ALKALI METAL CHLORIDE ELECTROLYSIS, AND MANUFACTURE THEREOF
BEAM TYPE RACKING SYSTEM
A hybrid R.F. frequency-changer
Series connector
Transformer
Checking sequential logic circuits
Improved transducer for measuring the pressure of a fluid, in particular an aggressive fluid and at high temperature
Projectile cap
Assembling or disassembling electrical conductors
Sliding patio door frame
