Improvements in or relating to turbodrills,申请号GB19590035300-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	Improvements in or relating to turbodrills
摘要
申请公布号	GB858152(A)	申请公布日期	1961.01.11
申请号	GB19590035300	申请日期	1959.10.19
申请人	ETABLISSEMENTS NEYRPIC (ATELIERS NEYRET-BEYLIER ET PICCARD-PICTET)	发明人
分类号	E21B4/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SPECTRUM COMPOSITION CONTROLLER

EXPANSIBLE WAREHOUSE

METHOD OF CAUSING REINFORCED BAR ITSELF TO SUPPORTING CONCRETE FORM

APPARATUS FOR DRIVING STEEL PIPES AND SHEETTPILES

Microfiche recorder and processor

DEVICE FOR COLLECTING BLOOD VESSEL SOUND OF HEMADYNAMOMETER

FLUID FLOWMETER

FACSIMILE EQUALIZATION SYSTEM FOR TELEPHONE CIRCUIT

REDUCTION TREATING METHOD FOR SLUDGE CONTAINING CHROME COMPONENT

FIRE PREVENTIVE AND FIREEPROOF MATERIAL WITH HEAT TNSULATING PROPERTY

SILVER ZINC ELECTRIC STORAGE CELLS

PROCESS FOR THE PREPARATION OF TEREPHTHALIC ACID

PROCESS FOR THE MANUFACTURE OF INSULIN, ANALOGS AND DERIVATIVES THEREOF

POLYAMIDE RESISTANT AU FEU

DISPOSAL OF WASTES CONTAINING MERCURY

SYNCHRONIZING SIGNAL PRODUCING SYSTEM FOR A TELEVISION DEVICE

SWITCHING CIRCUIT FOR PREVENTING LOST CALLS

AMPLIFIER WITH OVER-CURRENT PROTECTION

LOW POWER FLIP-FLOP CIRCUITS