反循环钻头式扩座法,申请号TW019467-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	反循环钻头式扩座法
摘要
申请公布号	TW012092	申请公布日期	1973.02.01
申请号	TW019467	申请日期	1971.11.10
申请人	方文章	发明人
分类号	E02D	主分类号	E02D
代理机构		代理人
主权项
地址	美国纽约14603罗契斯特

您可能感兴趣的专利

AQUEOUS EMULSION

Gasification process of processed biomass and apparatus for making the same

Optically active salts of (3aR, 4S, 6R, 6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta-[d][1,3]dioxol-4-ole and process for their preparation

Dishwasher with a mobile door and at least one door seal

Use of seed treatment agents from the pyrazole insecticide group as safeners for oxadiozole herbicides

Method for cooling down a turbo engine comprising a rotor

Device for controlled handling of air

Combined electric food drier

Precessional liquid turbine with a generator

Rengöring av suglinjen i en tandvårdsapparatur

MANAGING FILES ON MULTIPLE COMPUTING DEVICES

Lane departure warning system and a method for a lane departure warning system

AN APPLIANCE, SYSTEM, METHOD AND CORRESPONDING SOFTWARE COMPONENTS FOR ENCRYPTING AND PROCESSING DATA

CAST PRODUCT HAVING ALUMINA BARRIER LAYER

FLAVIN DERIVATIVES

DERIVADOS DE PIRIDINO-PIRIDINONAS, SU PREPARACION Y SU APLICACION EN TERAPEUTICA

UN SISTEMA Y METODOS PARA LA FORMACION DE PELLAS DE HIDROCARBUROS PESADOS.

BOMBA DE GAS CON TORNILLO EXCENTRICO Y METODO DE BOMBEO DE GAS CON TORNILLO EXCENTRICO

CALZONCILLOS FUNCIONALES PARA HOMBRE

Roller bearing configuration