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
CROWN BIT FOR ROTARY-PERCUSSIVE DRILLING OF BLAST-HOLES
摘要
申请公布号
SU991018(A1)
申请公布日期
1983.01.23
申请号
SU19813284615
申请日期
1981.03.16
申请人
VNII BEZOPASNOSTI TRUDA V GORNORUDNOJ PROMYSHLENNOSTI
发明人
POPOVICH STEPAN P,SU;RYASNOJ VITALIJ M,SU;ARTEMENKO ANATOLIJ A,SU
分类号
E21B10/36;(IPC1-7):E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Disc drive unit
Apparatus for inhibiting glycolysis in blood samples
Interlock for electrical switches having plungers engaging operating mechanism
Latching means for the assembly of an IC card
Electrophotographic photosensitive member electrophotographic apparatus including same and electrophotographic apparatus unit
Set in sheet form as well as apparatus and method for producing such a set
Process for preparing a metallocene-containing catalyst system useful in olefin polymerisation
Multiple item radio frequency tag identification protocol
Cell culture substrates and methods of use
Method of manufacturing semiconductor devices
Printing head printing method and apparatus using same and apparatus and method for correcting said printing head
Recording medium capable of recording a first data -type and a second data-type playback method and playback device for playing back from the recording medium
Method and apparatus for retrieving data from a storage device
METODO PRODUTTIVO DI ANELLI OR PARTICOLARMENTE IN GOMME FLUORURATE VULCANIZZABILI
Direct phase digitization
HERMETICALLY SEALED INCHING UNIT AND MANUFACTURE THEREOF
WATER-DRAINING STRUCTURE OF WIRE HARNESS
SEMICONDUCTOR DEVICE AND ITS MANUFACTURE
IMAGE DATA CONVERTING DEVICE
HIGH-VOLTAGE RECEIVING FACILITY WITH POWER GENERATION FACILITY
