Improvements in or relating to automatic control apparatus for acoustic recording and reproducing apparatus,申请号GB19340020620-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 automatic control apparatus for acoustic recording and reproducing apparatus
摘要
申请公布号	GB441479(A)	申请公布日期	1936.01.13
申请号	GB19340020620	申请日期	1934.07.13
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;CYRIL JOHN FRANCIS TWEED	发明人
分类号	H01H47/24	主分类号	H01H47/24
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Methods for retrofitting windows with switchable and non-switchable window enhancements and retrofitted windows produced thereby

Cyclone with in-situ replaceable liner system and method for accomplishing same

System and method for monitoring manufactured pre-prepared meals

COMPOSITE POLYAMIDE REVERSE OSMOSIS MEMBRANE AND METHOD OF PRODUCING THE SAME

Ultraclean magnetic mixer

Frost-preventive composition

Method and device for measuring the condition of steel structures

Method and device for determining the eye's rotation center

Synergistic fungicidal active substance combinations

Controlling the retraction of a needle in an auto retractable syringe

Two-stroke engine with fuel injection

System and method for highlighting a domain in a browser display

Installation tool for wire thread inserts

Method and apparatus for quietening a diesel engine

Improved optical composition for impressions or replicas of small objects

TESTA CILINDRI CON RICIRCOLO GAS EGR INTEGRATO

An apparatus for making a lattice structure and a method for making the lattice structure

Epidermal growth factor receptor gene copy number