HARTGESTEINKERNBOHRWERKZEUG,申请号DD19860287110-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	HARTGESTEINKERNBOHRWERKZEUG
摘要
申请公布号	DD273168(A3)	申请公布日期	1989.11.08
申请号	DD19860287110	申请日期	1986.02.14
申请人	NIPPIES "ENERGOPROEKT",BG	发明人	MLADENOV,PANDA I.,BG;IVANOV,SDRAVKO M.,BG
分类号	E21B10/02;(IPC1-7):E21B10/02	主分类号	E21B10/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Circuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC system

Micro stepping motor

Elimination of landing errors in electron-optical system of mixed field type

Process for ortho-para-hydrogen conversion

Calcium oxide or hydroxide to improve the charge acceptance of electrographic dielectric resins

Recovery of phosphorus from sludge

Process for the preparation of polyvinylbutyral having improved properties

Periodic monolayer semiconductor structures grown by molecular beam epitaxy

APERFEICOAMENTO EM PNEUMATICO PARA VEICOLO E PNEUMATICO

Fremgangsmåde til fremstilling af et aromakoncentrat.

Method of producing high density silicon carbide product

Auxiliary light for vehicle having attached plow blade

Safety razor cartridge with clean-out device

Animate figure toy

Toy circus train

Accessory mount for theodolite

Combined key ring and clip lock for holding a gas pump trigger in the open position