Called-line tone-signalling system,申请号GB19610028471-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	Called-line tone-signalling system
摘要
申请公布号	GB970547(A)	申请公布日期	1964.09.23
申请号	GB19610028471	申请日期	1961.08.04
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

PROTEASE INHIBITION

SERVO CONTROLLER FOR DC MOTOR

A hollow fiber membrane bundle

PURIFICATION OF METALS

Plants transformed with SYT-polypeptide having increased yield under abiotic stress and a method for making the same

Extending roller guide

Behaviour detection

Cellular foam bumper for nailer

Method and apparatus for improving radio performance of wireless data terminal device

RESTRAINT DEVICE FOR TRACTION SHEAVES

Device and method for flushing a toilet

WIRE GUIDING SHEATH

PROCESS FOR PREPARING CUMENE WHICH IS USED IN THE PREPARATION OF PHENOL

CATALYST FOR HYDROCARBON REFORMING AND PROCESS FOR PRODUCING SYNTHESIS GAS WITH THE SAME

Photovoltaic-thermal hybrid apparatus

RAPID PROTEIN LABELING AND ANALYSIS

B7 FAMILY MEMBER ZB7H6 AND RELATED COMPOSITIONS AND METHODS

Method for coating polymeric plastic substrates

POLYMERS FOR USE IN PHOTORESIST COMPOSITIONS