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
DRILL BIT
摘要
申请公布号
SU1592465(A1)
申请公布日期
1990.09.15
申请号
SU19884367143
申请日期
1988.01.20
申请人
SALANTAJ ALEKSANDR M,SU;YUROV YURIJ G,SU;YUROVA LARISA A,SU
发明人
SALANTAJ ALEKSANDR M,SU;YUROV YURIJ G,SU;YUROVA LARISA A,SU
分类号
E21B11/06
主分类号
E21B11/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A three component resin having high heat softening point
Preparation of flexible elastomeric cellular materials
A process for the purification of adiponitrile
Tourne-à-gauche de sécurité
Procédé de préparation de phtalocyanines sulfonées exemptes de sels minéraux etproduits industriels nouveaux en résultant
Improved composition for making moulds and cores
Process for separating constituents of mineral oils
Improvements relating to an injection-type internal combustion engine
NUEVO PROCEDIMIENTO PARA LA FABRICACION DE VIGUETAS HUECAS DESTINADAS A LA CONSTRUCION DE EDIFICIOS
Improvements in or relating to washing machines
Improvements in the drying of fabrics, papers, cardboards, and other strip material
Improvements in or relating to jet nozzle arrangements for jet-reaction-propulsion purposes
A liquid separating arrangement for compressors, especially compressors for refrigerating agents
Coated metal electrodes for electric arc welding and method of their manufacture
Improvements in or relating to electrolytic capacitors
Improvements in or relating to use of ketene dimers in the sizing of carbonate-filled paper
Improvements in or relating to control devices responsive to the attraction by an electro-magnet of the armature thereof
Preparation of orthosilicates
Moisture excluding means for electrical cable or cord connectors of the plug and socket type
Improvements in and relating to article handling apparatus
