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
BED FOR TESTING HYDRAULIC EFFECT OF HYDRAULIC MONITOR JET OF BIT ONTO HOLE BOTTOM SURFACE
摘要
申请公布号
SU1518478(A1)
申请公布日期
1989.10.30
申请号
SU19874266683
申请日期
1987.06.23
申请人
VNII BUROVOJ TEKHNIKI
发明人
AGOSHASHVILI BORIS T,SU;BUYANOVSKIJ ILYA N,SU;PERLOV GRIGORIJ F,SU;KUZNETSOV YURIJ P,SU;RYZHOV NIKOLAJ P,SU
分类号
E21B10/18
主分类号
E21B10/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Electroconductive fine tin oxide powder and a method for its preparation.
System for speech recognition.
Use of polysaccharides for treating acute peripheral neuropathies.
Tape transport system control device.
Apparatus for making tufted products.
Bipolar flow cell and process for electrochemical fluorination.
Personal data recording and reproducing device for use in vehicle.
Sound-insulating door.
Circuit arrangement for the control of a load and the detection of line interruption.
SOLDER BONDING METHOD
COMPUTER-SYSTEM AND SYSTEM EXTENSION DEVICE
MULTIPHASE SWITCH-TYPE RELUCTANCE MOTOR ASSEMBLY AND ITS CONSTITUTION METHOD
CONTROLLED BRAKE DEVICE FOR ELECTRIC MOTOR AND FOR PORTABLE TOOL
COLOR CATHODE RAY TUBE
SENSE AMPLIFIER CIRCUIT FOR SEMICONDUCTOR MEMORY
复方果汁系列饮料
金属(铜,铁,锌,锗等)叶绿酸碱盐的制备方法
桑蚕真丝定型绵的加工工艺及其产品
本质安全防爆直流电源
燃气热水器水温遥控机