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 filters
摘要
申请公布号
GB349028(A)
申请公布日期
1931.05.19
申请号
GB19300005492
申请日期
1930.02.19
申请人
ARTHUR COWLAM HANDLEY
发明人
分类号
B01D29/00;B01D35/02;B01D35/18;B01D39/00
主分类号
B01D29/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR PRODUCING DIFFERENTLY DOPED SEMICONDUCTORS
COMPOSITION FOR FORMING ELECTRODE, ELECTRODE MANUFACTURED USING THE SAME AND SOLAR CELL
GRAPHENE ELECTRONIC DEVICE HAVING CHANNEL LAYER INCLUDING GRAPHENE ISLANDS AND METHOD OF FABRICATING THE SAME
Confined Epitaxial Regions for Semiconductor Devices and Methods of Fabricating Semiconductor Devices Having Confined Epitaxial Regions
Integrated Structures Containing Vertically-Stacked Memory Cells
ORGANIC LIGHT-EMITTING DIODE DISPLAY AND METHOD OF MANUFACTURING THE SAME
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THEREOF
SOLID STATE IMAGING DEVICE AND ELECTRONIC APPARATUS
DISPLAY DEVICE
THIN FILM TRANSISTOR ARRAY PANEL AND METHOD FOR MANUFACTURING THE SAME
SHALLOW TRENCH ISOLATION TRENCHES AND METHODS FOR NAND MEMORY
SEMICONDUCTOR DEVICE
GRAPHENE FET DEVICES, SYSTEMS, AND METHODS OF USING THE SAME FOR SEQUENCING NUCLEIC ACIDS
Semiconductor Device and Method for Producing Semiconductor Device
ELECTROSTATIC DISCHARGE PROTECTION APPARATUS AND PROCESS
BONDING PADS WITH THERMAL PATHWAYS
REAL-TIME DATA STORAGE AND ANALYTICS SYSTEM
Electronic Crypto-Currency Management Method and System
METHOD AND SYSTEMS FOR SHARING PARTNERSHIP DATA IN SHIPPING TRANSACTIONS
SYSTEM AND METHOD FOR PROVIDING MULTI-SITE VISUALIZATION AND SCORING OF PERFORMANCE AGAINST SERVICE AGREEMENT