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
METHOD AND DEVICE FOR DRILLING
摘要
申请公布号
JPH07301073(A)
申请公布日期
1995.11.14
申请号
JP19940114667
申请日期
1994.04.28
申请人
YAMAMOTO TEKKOSHO:KK
发明人
YAMAZAKI NOBUAKI;KAWAKAMI HIROMI
分类号
E21B7/02;(IPC1-7):E21B7/02
主分类号
E21B7/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PORTABLE ELECTRONIC DEVICE
DOCKING TYPE FUNCTION PROVIDING DEVICE AND PORTABLE APPARATUS
ELECTRONIC DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY OF THE SAME
HINGE
DEVICE FOR CONTROLLING VEHICULAR POWER SUPPLY
INTERNAL COMBUSTION ENGINE WITH EXHAUST GAS TURBO CHARGER
AIR BAG AND AIR BAG DEVICE
VALVE DEVICE FOR MASTER CYLINDER
AUTOMATIC SPEED CONTROL DEVICE FOR VEHICLE
GAME DEVICE AND MEMORY MEDIUM THEREOF
GAME DEVICE AND STORAGE MEDIUM THEREOF
GAME INFORMATION, INFORMATION STORAGE MEDIUM, AND GAME MACHINE
GAME DEVICE
AERATION DEVICE AND WATER TREATMENT SYSTEM EQUIPPED WITH THE SAME
SEWAGE TREATMENT APPARATUS
DELIVERY AREA SIMULATION SYSTEM, AND METHOD AND PROGRAM THEREOF
WEIGHT FOR PICKLES
PAGE BUFFER OF NAND TYPE FLASH MEMORY
SELLING PRICE INFORMATION ANALYSIS SYSTEM AND SELLING PRICE INFORMATION ANALYSIS PROGRAM
ELECTRONIC APPLICATION PROCESSING METHOD, DEVICE FOR PERFORMING SAME AND PROCESSING PROGRAM THEREFOR