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
BORE HOLE CASING EXTRACTOR
摘要
申请公布号
AU536593(B2)
申请公布日期
1984.05.17
申请号
AU19790053200
申请日期
1979.11.27
申请人
MACDONALD, K.N.
发明人
KENNETH NORMAN MACDONALD
分类号
E21B31/20;(IPC1-7):E21B31/02
主分类号
E21B31/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INK RIBBON CARTRIDGE
FORMATION OF HYDROXYAPATITE FILM
BLOOD MICROTHIEF TUBE COLLECTING APPARATUS
POWDERY FOOD CONTAINING FINELY POWDERED CELLULOSE
METHOD OF SELECTING ULTRASONIC TRANSDUCERS FOR USE IN ULTRASONIC INSPECTION APPARATUS
Read circuit for large-scale dynamic random access memory
Method and apparatus for correcting a shear wave slowness estimate from a sonic well tool and producing an output medium reflecting a true value of shear wave slowness
Control of access through local carrier sensing for high data rate networks and control of access of synchronous messages through circulating reservation packets
Magnetic tape cassette having protrusions of low friction resin
Side-by-side read/write heads with rotary positioner
Cassette loading and ejection control system for magnetic tape cassette apparatus
Method and apparatus for controlling fluorescent lamp mercury vapor pressure
Adaptive data compression system
Exposure-compensation device for reciprocating-filter time-modulated color image intensifier
FIRING PIN ARRANGEMENT IN A FIREARM
Process for removing water from polyurethane ingredients
Ethers useful for controlling pests
Device processing involving an optical interferometric thermometry using the change in refractive index to measure semiconductor wafer temperature
Recyclable plastic cash register receipts
High strength alloy steels for tire reinforcement
