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
Drill bit
摘要
申请公布号
GB2402688(B)
申请公布日期
2005.01.19
申请号
GB20040019172
申请日期
2001.06.06
申请人
* SMITH INTERNATIONAL INC
发明人
AMARDEEP * SINGH;QUAN VAN * NGUYEN;SUJIAN * HUANG
分类号
E21B10/16;E21B10/18;E21B10/52;E21B17/10;(IPC1-7):E21B10/16
主分类号
E21B10/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ROTATING ELECTRIC MACHINE AND METHOD FOR COOLING THE ROTATING ELECTRIC MACHINE
DATA COMMUNICATION METHOD AND COMMUNICATION APPARATUS
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
SYNCHRONOUS CONTROL DEVICE
TURBOCHARGER
FITTINGS AND METHOD FOR MOUNTING THE FITTINGS
ORDINARY PRESSURE CATION-DYEABLE POLYESTER MULTIFILAMENT
FLAME-RETARDANT, LIGHT-DIFFUSING POLYCARBONATE RESIN COMPOSITION
METHOD FOR PRODUCING WET NONWOVEN FABRIC
LIQUID INJECTION HEAD, LIQUID INJECTION DEVICE AND PIEZOELECTRIC ELEMENT
PACKAGING BOX
LOWER LIMB REST
APPARATUS FOR SUPPRESSING DEFORMATION OF FUEL ROD ASSEMBLY AND PACKAGING
CARBAZOLE DERIVATIVE, MATERIAL FOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE AND ELECTRONIC EQUIPMENT
SYSTEM AND METHOD TO MANAGE MAINTENANCE OF RADIOLOGICAL IMAGING SYSTEM
MANUFACTURING METHOD FOR FLAT PRIMARY BATTERY, AND FLAT PRIMARY BATTERY
ELECTROLYTE COMPOSITION, PRODUCTION PROCESS THEREOF, AND ELECTROLYTE FOR DRIVING ALUMINUM ELECTROLYTIC CAPACITOR CONTAINING ELECTROLYTE COMPOSITION
RECORDING APPARATUS
FLUID JETTING APPARATUS
DATA TRANSMITTER, DATA OUTPUT DEVICE, AND DATA TRANSMISSION SYSTEM
