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
摘要
申请公布号
DE2606880(C3)
申请公布日期
1979.12.13
申请号
DE19762606880
申请日期
1976.02.20
申请人
STEFFE, PRINZ & CO GMBH, 5900 SIEGEN
发明人
PRINZ, GERHARD, DIPL.-ING., 5900 SIEGEN
分类号
E21B17/046;F16L21/08;(IPC1-7):E21B17/04;E21B17/08
主分类号
E21B17/046
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Serial data bus for intermodule data communications and method of data arbitration and collision detection on a data bus
Apparatus for igniting the combustion of a fuel-air mixture
Method of growing silicon monocrystalline rod
Method for the production of a silver image
Thin-film-transistor having Schottky barrier
Pulley with bellows
Ink jet recording method and apparatus
Scaffolding system
Random copolymer and process for production thereof
Liquid crystal display device
Process for measuring body fluid components
Power amplifier for a radio frequency signal
MINIATURIZED MASS SPECTROMETER SYSTEM
FALL-ARREST APPARATUS
Decision-feedback equalizer capable of producing an equalized signal at a high speed
Alignment piece for optical conductors
Fuel metering control system for internal combustion engine
Improvements in and relating to pipe joints
Clothes hanger and method for its manufacture
Adaptive A/D converting device
