Improvements in impulse senders of the type used in telephone systems,申请号GB19380003972-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 impulse senders of the type used in telephone systems
摘要
申请公布号	GB496347(A)	申请公布日期	1938.11.29
申请号	GB19380003972	申请日期	1938.02.09
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;CHARLES CLARKE PUCKETTE	发明人
分类号	H04M1/34	主分类号	H04M1/34
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHODS AND APPARATUS FOR THE CONTINUOUS MANUFACTURE OF SEAMLESS TUBES, MORE PARTICULARLY FERROUS TUBES

RECOVERY OF ZINC

COPPER-TITANIUM COATING AND BONDING PROCESSES

METHODS OF PRODUCING LITHIUM ALUMINUM HYDRIDE AND ALUMINUM HYDRIDE

MANUFACTURE OF LEAD ARSENATE

HEATING AND VENTILATING APPARATUS FOR MOTOR VEHICLES

HEATING METHODS AND APPARATUS

BUTADIENE COPOLYMERIZATION PROCESSES

INNER COVERS FOR COIL ANNEALING FURNACES

POSITION CONTROL SERVOS

PRODUCTION OF FLUOROACETAMIDE

WHEEL RETAINERS FOR VEHICLES

ΔΙΑΤΑΞΙΣ ΔΙΑ ΤΗΝ ΔΙΑΤΗΡΗΣΙΝ (ΤΡΥΠΑΝΙΣΜΟΝ) ΤΟΥ ΕΔΑΦΟΥΣ.

Light-stabilized compositions of vinylidene chloride or vinyl chloride

Deicer arrangement for airplanes

Preparation of para-tertiary amino aromatic aldehydes

Audible indicating measuring apparatus