Improvements relating to end caps for pit-props,申请号GB19540036339-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 relating to end caps for pit-props
摘要
申请公布号	GB779791(A)	申请公布日期	1957.07.24
申请号	GB19540036339	申请日期	1954.12.15
申请人	DOWTY MINING EQUIPMENT LIMITED	发明人	FRYE COLIN MICHAEL
分类号	E21D15/54	主分类号	E21D15/54
代理机构		代理人
主权项
地址

您可能感兴趣的专利

AUTOMATIC SPRINKLER DEVICE FOR THE CONTAINMENT OF A PRESSURIZED-WATER REACTOR

(A) ;MANUFACTURE OF COMBUSTIBLE CYLINDRICAL BODY FOR BURN-OUT CARTRIDGE

DISPOSITIVO DI SUPPORTO E TENUTA PER COMPONENTI TRASLABILI PARTICOLARMENTE PER GRUPPI VALVOLARI.!

PYRROLO 3,4-D 2 BENZAPINE DERIVATIVES

SPIRO-3-HETERO-AZOLONES

INIBIZIONE DI INCROSTAZIONE.

SEMICONDUCTOR DEVICE

DECODING METHOD OF DOUBLE ERROR CORRECTING THREE BIT ERROR DETECTING BCH CODE

BONDING APPARATUS

MANUFACTURE OF ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER RESIN

ELECTROLYTE-SUPPLYING STRUCTURE OF MATRIX-TYPE FUEL CELL

PRODUCTION OF SEASONING FOR LIQUOR AND METHOD FOR USING THE SAME

MAKING OF FRIED FOOD

BUILT-IN RESISTOR OF CATHODE RAY TUBE

METHOD AND DEVICE FOR CONTROLLING MATERIAL-SHAPE OF ROLLING MILL

PHOTOSENSITIVE RESIN COMPOSITION FOR FORMING TRANSPARENT COLORED IMAGE

ELECTROPHOTOGRAPHIC METHOD

PICTURE FORMING DEVICE