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
BORING DEVICE
摘要
申请公布号
JPH05311978(A)
申请公布日期
1993.11.22
申请号
JP19920148224
申请日期
1992.05.14
申请人
KANOBOORING:KK
发明人
OSHIKA HARUO
分类号
E21B7/02;E21B15/00;E21B19/08;(IPC1-7):E21C11/00
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
Mountings for seats removed from motor cars or other vehicles
Improvements in or relating to releasable supporting chocks particularly for use in mines
Improvements in or relating to a method of welding wires to strip-shaped conductors
Photographic stripping film
Accelerometers
Improvements in or relating to props, especially for use in coal mines
Improvements in or relating to fluid flow limiting device
Selective drive hubs
Improvements relating to scrap-baling press
Improvements in or relating to freewheel coupling mechanisms
Mineral oil compositions
Perfectionnement aux méthodes pour faire adhérer le caoutchouc sur les métaux et produits obtenus par ces méthodes
Improvements in and relating to vent plugs
Weld nut
Matières plastiques pour la protection d'appareils électriques
Process for the improvement of the surface properties of high polymeric substances free from cellulose or its derivatives
Improvements in or relating to functional fluids
Improvements in or relating to the electrostatic spraying of lacquers and the like
Tringle extensible utilisable notamment pour maintenir les tapis d'escaliers
Appareil d'épandage de fumier d'écurie
