首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
CLOSED CIRCUIT TELEVISION SYSTEM WITH SECURITY CODE SCRAMBLED IN SOUND
摘要
申请公布号
KR1019910002609(B1)
申请公布日期
1991.04.27
申请号
KR1019880003648
申请日期
1988.03.31
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
Alpha-sulfin- and alpha-sulfonamino acid amide derivatives
A novel polypeptide, a human flavoprotein subunit 14 and the polynucleotide encoding the polypeptide
Capsule for magnetic field therapy
A novel polypeptide, human cellular differentiation transcription factor 58 and the polynucleotide encoding the polypeptide
Container bag, especially for liquid cosmetic products
Instrument visualization system
System and method for handling and masking a substrate in a sputter deposition system
Gene inactivation by targeted DNA methylation
A web based multidimensional presentation and calculation system
A stand with visual information
A method of detecting neoplastic or non-neoplastic cells
Telephone plug system
Device for flow and liftgas production of oil-wells (versions)
Method and system for network-based education and training capable of evaluatinglearner's faithfulness and computer-readable medium recording its program
Water-softener in powdered form with an effervescent system
Pipe threading
Method and apparatus for entry of multi-stroke characters
Method for determining the concentration of carnitine in fluids
A rock drill bit and a check valve
Spool-type package for an elongate medical device
