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
Object retrieving device
摘要
申请公布号
GB2303864(A)
申请公布日期
1997.03.05
申请号
GB19950015818
申请日期
1995.08.02
申请人
PHILIP * HEAD
发明人
PHILIP * HEAD
分类号
E21B23/00;E21B31/18;E21B31/20;(IPC1-7):E21B31/12
主分类号
E21B23/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CONTROLLER OF FUEL PUMP
VENTILATING DEVICE FOR ENGINE INSTALLATION BLOCK AND VENTILATING METHOD THEREOF
HIGH PRESSURE FUEL PUMP ARRANGEMENT STRUCTURE OF V-TYPE ENGINE
ELECTROMAGNETICALLY-DRIVEN VALVE SYSTEM FOR INTERNAL COMBUSTION ENGINE
SHOCK ABSORBER OF DOOR
VALVE SPRING RETAINER
EXECUTION WORK METHOD OF SHEET WATERPROOF MATERIAL TO TUNNEL EXCAVATING SURFACE
DOUBLE SLIDING SASH
ON-LOAD OPENING/CLOSING TYPE DOOR
SWINGING PREVENTIVE DEVICE OF SUSPENDING SLIDING DOOR
SHAFT EXCAVATING CONSTRUCTION METHOD
FLASHING METHOD FOR MAIN STEAM PIPE IN STEAM TURBINE EQUIPMENT
DRIVING CONTROL MECHANISM OF MOTOR-DRIVEN OPENING/ CLOSING DOOR
SLIDING DOOR CLOSER
INSTALLATION METHOD OF RESIN FENCE
CHIMNEY CONSTRUCTION WORK METHOD AND PROTECTIVE DEVICE THEREOF
ENERGY ABSORPTION DEVICE
VIBRATION CONTROLLER FOR STRUCTURE
TWO-STORIED HOUSE
FORM FOR PLACING RESIN-MADE CONCRETE WITH RIB, FORM CONNECTION TOOL AND METHOD FOR ASSEMBLING FORM
