CODE CONVERSION SYSTEM FOR DIFFERENT CODED TELEPHONE EXCHANGES,申请号KR1019870005443-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	CODE CONVERSION SYSTEM FOR DIFFERENT CODED TELEPHONE EXCHANGES
摘要
申请公布号	KR1019900005164(B1)	申请公布日期	1990.07.20
申请号	KR1019870005443	申请日期	1987.05.30
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Image permanence method

Control of nitric acid plant stack opacity during start-up and shutdown

Apparatus for the production of coatings of uniform thickness profile on substrates, especially by cathode sputtering

Production process of bobbin for voice coil

Child proof cigarette lighter

Golfer's training device

Electrically controlled viscous elastic spring

Method for feeding a blocked sheet unit

Power-operated spreader tool

Magnetic tape cassette

Device for improving accessibility

Four-wheel steering system of a motor vehicle

Cementing and rotating an upper well casing attached by swivel to a lower casing

Sequential hydraulic fracturing of a subsurface formation

Bi-lateral surgical drape

Edge tracing sewing machine capable of automatically adjusting needle position

Exercise firing projectile

Water retriever