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
Coring drill
摘要
申请公布号
US3323604(A)
申请公布日期
1967.06.06
申请号
US19640393814
申请日期
1964.08.28
申请人
HENDERSON HOMER I
发明人
HENDERSON HOMER I.
分类号
E21B10/04
主分类号
E21B10/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TORQUE SENSOR
DEVICE AND METHOD FOR IMAGE PROCESSING OF POSITION DETERMINATION
ION BEAM APPLICATOR
DIFFERENTIAL PRESSURE MONITORING PANEL
FILTER FOR LIQUID CHROMATOGRAPHY, MANUFACTURING METHOD THEREFOR, AND LIQUID CHROMATOGRAPHY UNIT
GRAIN DRIER
GRAIN DRIER
MICROWAVE HEATING DEVICE
GAS COOLER
SEAL DEVICE FOR ROTARY KILN
STEAM COOKER
WATER CIRCULATION TYPE ENVIRONMENT CONTROL SYSTEM
SHOCK ABSORBER
BAKING/COOKING DEVICE
RADIALLY FLEXIBLE ROLLING BEARING
VARIABLE DAMPING FORCE DAMPER FOR VEHICLE
SLEEVE PACKING AND ITS MANUFACTURING METHOD
VEHICULAR ELECTROMAGNETIC ABSORBER
TILT HINGE AND ELECTRONIC EQUIPMENT
ROLLING BEARING