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
CONFERENCE COMMUNICATION DEVICE
摘要
申请公布号
SU693543(A1)
申请公布日期
1979.10.25
申请号
SU19782615457
申请日期
1978.04.06
申请人
LEBEDEV VALERIJ K,SU;OGURTSOVSKIJ ALEKSANDR A,SU
发明人
LEBEDEV VALERIJ K,SU;OGURTSOVSKIJ ALEKSANDR A,SU
分类号
H04M3/56;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Microdevices and biosensor cartridges for biological or chemical analysis and systems and methods for the same
Compositions and methods for monitoring transmembrane trafficking
Method of selecting antioxidants for use in topically applied compositions
Expression vector for producing protein derived from foreign gene in large quantity using animal cells, and use thereof
Polynucleotides allowing the expression and secretion of recombinant pseudo-virus containing foreign epitopes, their production, and use
Multi-layered hydrogel constructs and associated methods
Culture substrate and culture method for undifferentiated cell and undifferentiated cultured cell
Ophthalmic compositions with an amphoteric surfactant and an anionic biopolymer
Grease composition
Functional fluid composition
Luminescent element, preparation method thereof and luminescence method
Soil additives for promoting seed germination, for prevention of evaporation and methods for use
Metal complexes
Composite and method for the production thereof
Curable solid inks containing cyclohexyl-based crystalline gellants
Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting product and uses thereof
Propylene resin composition and injection-molded article of same
Production and use of metal salts of alkyl oxide and/or aryl alkyl oxide oligomers and polymers with acid end groups in the production of polyurethane systems
Genetic modification of targeted regions of the cardiac conduction system
Method for purifying recombinant FSH
