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
Mining cutter tool locking means
摘要
申请公布号
GB1111591(A)
申请公布日期
1968.05.01
申请号
GB19640035768
申请日期
1964.09.01
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
BELL HUGH GRAHAM
分类号
E21C35/18;E21C35/19
主分类号
E21C35/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DEVICE FOR TREATING VAPOR FUEL FOR ENGINE
IGNITION TIMING CONTROLLER DURING VEHICLE SPEED CONTROL
DIFFERENTIAL INPUT TYPE A/D CONVERTER
SIGNAL BINARIZATION CIRCUIT
MEASURING INSTRUMENT FOR WALL THICKNESS OF BOTTOMED CYLINDRICAL BODY LIKE CONTAINER
RELAEMATRIX, ISAER EN TUNGERELAEMATRIX
COLOR EL DISPLAYING DEVICE AND MANUFACTURE THEREOF
BAANDINDSPILNINGS- OG/ELLER -AFSPILNINGSAPPARAT
ELECTRIC FAN
WASHING MACHINE
DEVELOPING TYPE ANTENNA
MANUFACTURE OF FLUORESCENT LAMP
PRESSURE DIFFERENCE DETECTOR
REDUCTION OF IRREGULARITY OF MECHANICAL CHARACTERISTIC OF TUNGSTEN-NICKEL-IRON ALLOY
FREMGANGSMAATE FOR KONSENTRERING AV EN UREA-OPPLOESNING.
APPARAT OG FREMGANGSMAADE TIL DATATRANSMISSION MED FEJLKORRIGERINGSMULIGHED, SAMT DEKODER TIL BRUG I FORBINDELSE MED FREMGANGSMAADEN OG/ELLER APPARATET.
SEMICONDUCTOR INTEGRATED CIRCUIT
FUEL INJECTION VALVE OF INTERNAL COMBUSTION ENGINE
LAMINATING MATERIAL AND ROTARY ANODE FOR X-RAY TUBE
FLAT CABLE