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
Earth boring drill
摘要
申请公布号
US2126036(A)
申请公布日期
1938.08.09
申请号
US19360109187
申请日期
1936.11.04
申请人
CHICAGO PNEUMATIC TOOL COMPANY
发明人
REED CLARENCE E.
分类号
E21B10/10
主分类号
E21B10/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Apertured web for disposable body exudates absorbent garments and method for making same
Drainage structure in polishing plant and method of polishing using structure
Vertical internal combustion engine
Food processing apparatus
Wheel blocking brake lock
Disk brake
Ink supply mechanism
Melanocortin receptor polypeptides MC-3, MC-4, and MC-5
Plastid proteolytic processing enzyme that cleaves precursor polypeptides
Transgenic mouse allergy models and methods for their use
Inductive ignition device
Display device using transparent type LCD
Substituted peptidylamine calcium channel blockers
Display controller for reducing flicker of a cursor using gradiation information
Identification system reader with multiplexed antennas
Device for use with a user interface card
Optical plug connector
Method for lining a pipe or main
Steering assembly for a work vehicle
Enhanced four handed variation of chess
