Improvements in or relating to devices having dark trace screens,申请号GB19440022500-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 or relating to devices having dark trace screens
摘要
申请公布号	GB621729(A)	申请公布日期	1949.04.19
申请号	GB19440022500	申请日期	1944.11.14
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	C09K9/00;H01J29/14	主分类号	C09K9/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Insulated electrical conductor

Protein purification process and proteinaceous product

Address card holder for shipping containers

Railway car truck bolster

Production of oil-in-oil emulsions

Detachable blade and handle for shears

Spiral tuning device

Dispensing machine

Extensible and retractable implement and container therefor

Circuit breaker

Method of drying laundry

Artificial fish lure

Process for extracting gelatin and glue

Brush moistener

Screw holding screw driver

ΒΕΛΤΙΩΣΕΙΣ ΑΝΑΦΕΡΟΜΕΝΑΙ ΕΙΣ ΥΦΑΝΤΟΥΡΓΙΚΑΣ ΥΛΑΣ.

Procédé et dispositifs pour la fabrication de fibres à partir de matières thermoplastiques telles que le verre