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
SPOSOB I URZADZENIE DO DRAZENIA PODZIEMNEGO PRZODKA W FORMACJI GEOLOGICZNEJ
摘要
申请公布号
PL98959(B1)
申请公布日期
1978.06.30
申请号
PL19740176248
申请日期
1974.12.07
申请人
发明人
分类号
E21B7/02;E21D9/00;(IPC1-7):E21D9/00
主分类号
E21B7/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM
DIE UNIT FOR POWDER MOLDING MACHINE
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
MOTOR CONTROL DEVICE AND AIR CONDITIONER USING THE SAME
METHOD FOR LANGUAGE MODEL EVALUATION, DEVICE FOR THE SAME AND PROGRAM
DISPLAY DEVICE
ELECTROMAGNETIC RELAY
SEAT BACK STRUCTURE FOR VEHICLE
PRESSURE LIMIT VALVE OPENED STATE DETECTION METHOD AND COMMON RAIL TYPE FUEL INJECTION CONTROL DEVICE
MOUNTING PLATE TO MOUNT APPARATUS THERETO, APPARATUS AND SYSTEM
GEARED MOTOR
SALT, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN
VEHICULAR TRAVEL CONTROL DEVICE
HEAT STORAGE DEVICE, AND AIR CONDITIONER INCLUDING THE SAME
REINFORCED CONCRETE BUILDING
WOODY DECORATIVE BED PLATE COMPOSITE BASE MATERIAL
LUMBERING DEVICE
PET-CT APPARATUS AND IMAGE PROCESSING APPARATUS
PRESSURE SENSOR ELEMENT, ELECTRONIC EQUIPMENT, AND MOVING VEHICLE
AIR CONDITIONING SYSTEM, AND PLANT CULTIVATION DEVICE
