A telephone system sub-exchange circuit,申请号GB19520022508-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	A telephone system sub-exchange circuit
摘要
申请公布号	GB731845(A)	申请公布日期	1955.06.15
申请号	GB19520022508	申请日期	1952.09.08
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04M5/08	主分类号	H04M5/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD FOR REMOVING NITROGEN OXIDE IN WASTE COMBUSTION GAS

MAGNESIUM ALLOY FOR GALVANIC ANODE

MULTIPLE LOADING CASSETTE RECORDING/REPRODUCTION DEVICE

MAGNETIC TAPE DEVICE

ELECTRONIC SPHYGMOMANOMETER AND PRESSURE SENSING MODE SETTING METHOD APPLIED WITH SAID MANOMETER

MAINTENANCE SUPPORTING DEVICE

GENERATOR FOR FAULT NOTICE CELL

BETTING INPUT TICKET ISSUING MACHINE

VIRTUAL IDENTIFIER CONVERSION SYSTEM

COLOR IMAGE PROCESSOR

LIGHT WAVE GUIDE AND MANUFACTURE THEREOF

COUNTER FITTING DEVICE FOR GAME ISLAND

DETECTING DEVICE FOR UNINTENTIONAL MOVEMENT OF CAMERA

SEMICONDUCTOR DEVICE FOR DETECTING RADIATION

DATA TRANSMISSION SYSTEM

COMPUTER SYSTEM

PROCESSO PARA A PREPARACAO DE SOLUCOES DE POLI(IMIDA-AMIDA)LIMPIDAS A TEMPERATURA AMBIENTE E ESTAVEIS DURANTE A ARMAZENAGEM

PROCESSO PARA A PREPARACAO DE DERIVADOS DE 2-FENIL-IMIDAZOL E DE COMPOSICOES PESTICIDAS QUE OS CONTEM

PROCESSO PARA A PREPARACAO DE ACIDOS CARBOXILICOS BETA-LACTAMICOS BICICLICOS