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
METHOD AND APPARATUS FOR WINNING COAL FROM THIN STEEP OUTBURST-HAZARDOUS SEAMS
摘要
申请公布号
SU1213199(A1)
申请公布日期
1986.02.23
申请号
SU19823397162
申请日期
1982.02.12
申请人
DO NI UGOLNYJ INSTITUT
发明人
OSTAPENKO ALEKSANDR F,SU;ATABEKOV VLADIMIR A,SU;BATYGIN STANISLAV P,SU
分类号
E21C27/04;E21F5/00;(IPC1-7):E21C41/04
主分类号
E21C27/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of manufacturing an active region of a semiconductor by diffusing a dopant out of a sidewall spacer
Composite fiber optic distribution cable
Bidirectional channels using common pins for transmit and receive paths
Method and built-in self-test apparatus for testing an integrated circuit which capture failure information for a selected failure
Memory cell architecture utilizing a transistor having a dual access gate
Circuit reset lockout
Magnetic recording and reproducing apparatus
Data recovery scheme
Multi sector antenna
Multiplexer circuit having diode bridge switches
Imaging scatterometer
Feed forward amplifier with digital intermodulation control
Programmable PCI interrupt routing mechanism
Surge arrester
Active filter stack
Circuit having a digital controller for operation of a synchronous T motor
Soybean variety 94B81
Positive resist composition
Compact crystal oscillator having no large capacitor element
Voltage-boosting circuit with mode signal