Perfectionnement aux tubes à décharge incandescente et particulièrement à ceux utilisés pour l'enregistrement du son,申请号FRD685540-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	Perfectionnement aux tubes à décharge incandescente et particulièrement à ceux utilisés pour l'enregistrement du son
摘要
申请公布号	FR685540(A)	申请公布日期	1930.07.11
申请号	FRD685540	申请日期	1929.11.26
申请人	THE GRAMOPHONE COMPANY LIMITED	发明人
分类号	H05B41/39	主分类号	H05B41/39
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SORTING MACHINE FOR CLASSIFYING INDIVIDUAL ARTICLES

MAGNETIC LOCK AND KEY

PREPARATIONS OF OPTICAL BRIGHTENERS

POSITION MEASURING DEVICE WITH SOCKETS FOR ELECTRICAL CONNECTION

Composite photocell.

Data selection circuit for the screen display of data from a personal computer.

ADHESIVE COMPOSITION FOR PRINTED CIRCUIT BOARD

A METHOD OF MANUFACTURING BRIQUETTES OF STRAW OR SIMILAR MATERIAL.

Method and apparatus for actuating vehicle transmissions.

PROCESS AND CIRCUITRY FOR THE COMPATIBLE INCREASE OF THE RESOLUTION IN TELEVISION SYSTEMS

METHOD OF ELIMINATING SOLDER PADS REMAINING ON A CERAMIC SUBSTRATE AFTER REMOVING A SEMICONDUCTOR CHIP BY ABSORPTION IN A POROUS COPPER BLOCK, AND USE IN REWORKING MODULES

Supporting arrangement for containers and removable superstructures for trucks.

Method for the production of a fragmentation device.

Self-elevating falsework with variable geometry for the construction of concrete walls, particularly walls of great height.

Improved animal identification system.

Electronic bicycle odometer.

Vehicle power packs.

Method of manufacturing an electron tube.

Rail making process and rails so produced.

Process and equipment for determining or influencing the flow properties of solid granular materials.