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
SIKRINGSVENTIL.
摘要
申请公布号
NO163974(C)
申请公布日期
1990.08.15
申请号
NO19830004011
申请日期
1983.11.03
申请人
CAMERON IRON WORKS INC.
发明人
WILLIAMS, LEONARD EUGENE JR.
分类号
E21B33/04;E21B33/06;(IPC1-7):E21B33/06
主分类号
E21B33/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Verfahren zur Isolierung synthetischer Agarosederivate
LEAD ORTHOMERCAPTOPHENOL SALT
PROCESS FOR PREPARING LINEAR CHLORINE TERMINATED SILOXANE COMPOUNDS
LACTONE-DIENE-VINYL-AROMATIC TERPOLYMER EMULSIONS
OXIDATIVE COUPLING AND DEHYDROGENATION OF METHYL-SUBSTITUTED AROMATIC AND HETEROCYCLIC COMPOUNDS
ASPHALT COMPOSITION
WERKWIJZE TER VERVAARDIGING VAN SMELTVEILIGHEDEN, EN ALDUS VERVAARDIGDESMELTVEILIGHEID
Continuous lead battery grid casting machine - with cylindrical casti roll and graphite shoe
Scroll injection moulding machine - for expanded foam -plastic and rubber articles
Activated carbon black for rubber cpds
Stereospecific catalyst for olefin poly-merisation
1,8-naphthaldehyde acid - by ozonisation of acenaphthylene
Dosimeter glass - contg silver and aluminium metaphosphates and sodium orthophosphate
Heavy particle tracing - using electrochemical developing method for tracks through insulation material
Coated sheet material - by applying a powder - onto the sheet material from a fluted roller and heating
Metal powder profile rolling - using excess width powder feed and rolls
Labels or pictures - with decorations using support sheet coated with pressure sensitive adhesive eg polyolefin coated with poly
Polycrystalline ferrite spinels - contg silicon for microwave absorption
Soldering/unsoldering appts for used with printed circuit - assemblies eg memory matrices
Explosive cord - of small cross section
