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
A mineral mining installation
摘要
申请公布号
GB1136495(A)
申请公布日期
1968.12.11
申请号
GB19660021644
申请日期
1966.05.16
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C27/34;E21C35/12
主分类号
E21C27/34
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DRIVING METHOD OF ACTIVE MATRIX LIQUID CRYSTAL DISPLAY DEVICE
DISPLAY DEVICE
DEFECTIVE SHORT DETECTOR FOR ELECTRIC EQUIPMENT
BIAS POWER SOURCE CIRCUIT FOR SEMICONDUCTOR TESTING DEVICE
IMPEDANCE MEASURING INSTRUMENT
ROTATION DETECTOR
METHOD AND SYSTEM FOR DETECTING FREEZE OF PAVEMENT
METHOD AND DEVICE FOR MANUFACTURING SAMPLE BLOCK
QUANTITATIVE ANALYSIS METHOD OF OXY IRON HYDROXIDE
POWER SOURCE CIRCUIT FOR CAMERA
LIQUID CRYSTAL DISPLAY DEVICE
INDUCTANCE VARIATION DETECTOR
PHOTOELECTRIC TRANSDUCING IC
INTEGRATION COUNTER CONTROL CIRCUIT OF METERING EQUIPMENT
HEAT EXCHANGER
ICE CRUSHER
METHOD FOR ESTIMATING RESIDUAL AMOUNT OF DUST OF REFUGE INCINERATOR, AND SIMULATED INCINERATOR
BELT
DISC BRAKE PAD
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR ALKALINE STORAGE BATTERY AND BATTERY USING THIS