多媒体电子讲台

申请公布号：CN300795477D

申请号：CN200730059211.3

申请日期：2007.07.09

申请公布日期：2008.06.25

申请人：

崔金敏

发明人：崔金敏

分类号：14-03

主分类号：14-03

代理机构：

广州凯东知识产权代理有限公司

代理人：李俊康

地址：233100安徽省凤阳县小溪河镇金庄村崔庄队42号

DETECTING CIRCUIT OF DOOR OPENING-CLOSING FOR ELECTRONIC RANGE

COOKWARE

CONTROL DEVICE FOR ELECTRIC FAN

SEPARATING AGENT FOR ANNEALING FOR GRAIN-ORIENTED SILICON STEEL SHEET

THIN FILM FORMING DEVICE

NI-BASE HEAT RESISTANT ALLOY

METHOD FOR LOWERING TEMPERATURE OF WASTE GAS FROM REFINING FURNACE

MANUFACTURE OF FLAKY METAL POWDER

VEHICLE LOWER BODY STRUCTURE

VEHICULAR AIR CONDITIONER CONTROL METHOD

AIR-CONDITIONING DEVICE

CARGO OIL OUTFLOW PREVENTING TYPE TANKER WITH SLUDGE LEAD-IN WELL

VEHICLE WASHING DEVICE

VIDEO SIGNAL PROCESSING UNIT

PICTURE DISPLAY DEVICE

PICTURE PROCESSOR

AUTOMATIC METERING DEVICE

CORDLESS TELEPHONE SET

AMPLIFIER CIRCUIT

TEST SYSTEM FOR NETWORK SYSTEM