A visual aid for teaching,申请号GB19930021144-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	A visual aid for teaching
摘要
申请公布号	GB2270410(B)	申请公布日期	1994.11.09
申请号	GB19930021144	申请日期	1993.10.13
申请人	BRIAN JOHN * HILL	发明人	BRIAN JOHN * HILL
分类号	G09B19/12;(IPC1-7):G09B19/12	主分类号	G09B19/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Socket box for electric installations pressed between prefab. walls - has foam rubber tube pressing box outwards between walls

Facing insulation plate for buildings - has fitting and fastening features and profiled decorative openings

Low cost stable dwelling house - has cylindrical outside wall, a central support radial partitioning walls and domed roof

Illuminated push-button switch - has socket supported by carrier ring, which contains moving contact support, shiftable by sprung actuator

Moulds for precision investment casting - using vapour-deposited layer of tungsten as mould coating

Fodder proportioner for flat or mobile silo - uses forklift element with fodder batch separator with vertical adjustable guides

NEW AZEPINE DERIVATIVE, ITS PREPARATION AND COMPOSITION CONTAINING IT

FURNACE OILS FROM WAXY GAS OILS

APPLIANCES FOR LINEAR BODIES

APPARATUS FOR OPENING AND REFOLDING A PRESCORED CARTON BLANK

DISSOLUTION OF POLYMERS

HETEROCYCLIC KETONE FLAVOURING AGENTS FOR TOBACCO

CYCLOHEXANE DERIVATIVE

MOULDING ASSEMBLIES FOR MAKING MAGNETIC PRINTING BASES

DECORATIVE TRIM STRIPS

CONTROL SYSTEMS FOR ELECTRICAL MOTORS

PRODUCING ALUMINIUM SUPPORTS FOR PRINTING PLATES

PROCESS FOR PREPARING OMEGA-NITROCARBOXYLATES