Improvements relating to electric signalling systems particularly telephone systems,申请号GB19290026175-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 electric signalling systems particularly telephone systems
摘要
申请公布号	GB335035(A)	申请公布日期	1930.09.18
申请号	GB19290026175	申请日期	1929.08.28
申请人	SIEMENS BROTHERS & CO., LIMITED;ALFRED THOMAS CLOWSLEY MOORE	发明人
分类号	H04Q1/446	主分类号	H04Q1/446
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Anticoagulants and processes for preparing such

A DOUBLE PUMP ADAPTED FOR USE AS AN ARTIFICIAL HEART

UV CURABLE CLEARCOAT COMPOSITIONS AND PROCESS

CONTINUOUS CYCLE MECHANICAL ARCHITECTURE ABLE TO SIMULTANEOUSLY BLOCK AND CUT LAYERS OF ANY NON-RIGID MATERIALS.

Glass coating with improved adhesion and weather resistance.

FIBER REINFORCED PLASTIC ARMORED CABLE AND ITS MANUFACTURING PROCESS

HOUSING FOR A PNEUMATIC BOOSTER AND PROCESS FOR MANUFACTURING IT.

BASESTASJON FOR ET RADIOSYSTEM

TANNHJULSVEKSEL.

PROCESS FOR EVAPORATING LIQUID NATURAL GAS

SYSTEM FOR APPLYING BRIGHTNESS SIGNALS TO A DISPLAY DEVICE AND COMPARATOR FOR SUCH SYSTEM.

METHOD FOR CRYSTALLIZATION OF ENZYMES.

PASSIVE OPTICAL RING NETWORK.

METHOD AND APPARATUS FOR STORING, TRANSMITTING AND RETRIEVING GRAPHICAL AND TABULAR DATA.

MEDIA STORAGE AND RETRIEVAL SYSTEM.

ROADWAY SIMULATOR RESTRAINT.

USE OF A COMBINATION OF NON-IONIC SURFACE-ACTIVE AGENTS.

FLUIDS DISPENSER.

BALL GAME WITH GIMBAL-MOUNTED BOARD.