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 CLEANING SHAFT
摘要
申请公布号
JPH09317370(A)
申请公布日期
1997.12.09
申请号
JP19960160586
申请日期
1996.05.31
申请人
AKEMA BORING:KK
发明人
AKEMA SHIGETO
分类号
E21B43/00;E21B37/00;(IPC1-7):E21B37/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF MOUNTING ELECTRONIC AND ELECTRIC PARTS SUCH AS THERMISTOR OR LIKE
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE
TRNASFORMER WITH LOSS CHANGEEOVER DEVICE
DEVELOPING APPARATUS USING MAGNETIC TONER
DEVELOPING DEVICE
NOISE PROCESSING SYSTEM OF DIGITAL IMAGE DATA
AMMONIUM SALT OF ALPHAAKETOCARBOXYLIC ACID* METHOD OF PUTTING OUT AMINE THEREFROM AND COATING COMPOSITION THEREOF
LARGE* LIGHTTWEIGHT* FOLDING TYPE CELESTIAL GLOBE
PLANT GROWTH CONTROLLING AGENT
NOVEL AMINONICOTINIC ACID DERIVATIVE
PREPARATION OF EPOXYDITERPENE
PREPARATION OF CEMBRENOL
CALLING OUT EQUIPMENT FOR AUTOMOTIVE SAFETY DRIVING
LIGHT METAL WHEEL
AUTOMATIC BRAKE DEVICE IN THE HALT OF CAR
SMALL SIZE VESSEL
METHOD OF COMBINING MATERIAL DIVIDED INTO CASTING ALUMINUM OR ALUMINUM ALLOY PORTION MATERIAL SURFACE AND ITS DEVICE
NONNCONSUMABLE ELECTRODE ARC WELDING APPARATUS
FILLET WELDING METHOD FOR CAST IRON
DEVICE THAT ELECTROMAGNETICALLY AGITATE MOLTEN METAL IN CONTINUOUS CASTING FACILITIES
