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
Improvements relating to metal vapour rectifiers
摘要
申请公布号
GB379198(A)
申请公布日期
1932.08.25
申请号
GB19320000475
申请日期
1932.01.07
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
分类号
H02M7/15
主分类号
H02M7/15
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Combinatorial weighing methods and apparatus.
Fluid pressure sensitive construction and method of making the same.
Subsoil cultivating tool.
A cleaning and treatment process and apparatus.
Liquid detergent compositions comprising coacervate mixture of alkylcellulose and carboxymethylcellulose and method for preparing them.
Method for recording electromagnetic radiation.
Composite crystalline alumium silicates and their use in a process for dewaxing hydrocarbon oils.
Osteosynthetic plates for bone derotation.
Adsorbent fractionator with automatic cycle control and process.
Voice detection filter.
Method of making a bag, particularly for a display stand with rods, and such a bag.
Control circuit for an electromagnetically operated directional valve.
A gas hotplate.
Trihedron-shaped deformable reflectors.
Apparatus and method for enhanced psychoacoustic imagery.
Process for producing methacrylic acid and/or methacrylic acid ester.
RECORDING LIQUID
RECORDING LIQUID
RECORDING LIQUID
PURIFICATION OF PROPYLENE POLYMER