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
CONSTRUCTION DEVICE WITH MULTISTAGE KELLY-BAR
摘要
申请公布号
JPH11229747(A)
申请公布日期
1999.08.24
申请号
JP19980036126
申请日期
1998.02.18
申请人
NIPPON SHARYO SEIZO KAISHA LTD
发明人
MASUDA YOSHIO
分类号
E21B17/07;(IPC1-7):E21B17/07
主分类号
E21B17/07
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Aqueous coating composition.
Air separation process and apparatus.
Electrostatographic imaging system.
Novel beta-adrenergic agonists.
Medical bag.
印刷线路板的制造方法
书写绘图笔
Improved silicone surfactants.
Vehicle provided with lateral sliding closure means.
Slab laser optically pumped by a source with a narrow emitting surface.
REMOTE METER-READING DEVICE
HEATED SCINTILLATOR
METHOD OF RECORDING PRINTING FORMS
CONTROL SIGNAL PROFILER FOR MULTIPLE ACTUATOR ASSEMBLY
AUTOMATIC TELEPHONE ANSWERING APPARATUS
REACTIONS OF BIS-OXAZOLINES WITH POLYCARBOXYLIC ACIDS CATALYZED BY ALKALI OR ALKALINE EARTH METAL CATIONIC COMPLEXES
FLUORAN COMPOUNDS
ELECTRIC LAMP
PRESSURE TRANSDUCER
TRANSFROMER COMPRISING COACXIAL COIL FORMERS
