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
DOWN HOLE BIT
摘要
申请公布号
KR20060000620(A)
申请公布日期
2006.01.06
申请号
KR20040049534
申请日期
2004.06.29
申请人
BAIK, NAM JIN
发明人
BAIK, NAM JIN
分类号
E21B10/44;E21B10/00
主分类号
E21B10/44
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THIN FILM FORMING METHOD AND THIN FILM FORMING APPARATUS
Wideband radar for detection and identification of complex targets
Device for improving the distance resolution of a pulse radar
ASSEMBLY STRUCTURE OF A MOBILE COMMUNICATION TERMINAL
Cilostazol composite composition having increasing solubility and process for preparing the same
Liquid crystal display device
APPARATUS FOR INSPECTING PINS IN CONNECTOR
A Concrete Electric Pole having built-ing current sensor
Bellows Jig
A CRUSHER FOR DENTAL SURGERY SELF-BONE
A CASE OF AN AIR CONDITIONING SYSTEM
An Exhaust Structure Of Top Burner In Gas Oven Range
Melt metal transfer equipment using linear induction motor
SYNTHETIC RESIN ROPE, PRODUCTION METHOD THEREOF AND TERMINAL HANDLING METHOD
Ink jet printer with resistance compensation circuit
Feeder independent extended culture of embryonic stem cells
OSTEOGENIC GROWTH PEPTIDE FUSION PROTEINS
SYSTEM AND METHOD FOR PROVIDING ENHANCED SERVICES IN A MULTI-CHANNEL INTERACTIVE DISTRIBUTED ENVIRONMENT
COMMUNICATION DEVICE
Orthopaedic implants and prosthesis
