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
Attachment for photographic cameras
摘要
申请公布号
GB595371(A)
申请公布日期
1947.12.03
申请号
GB19450004069
申请日期
1946.03.15
申请人
GEORGE BERTRAM MONTGOMERY
发明人
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Function block apparatus for viewing data in a process control system
Timing signal generation circuit
Virtual retinal display with eye tracking
Method and system for scripting interactive animated actors
Low profile inductive component
Directional coupler having shiftable parallel dielectric transmission lines
Method and apparatus for capacitively testing a semiconductor die
InP-based heterojunction bipolar transistor with reduced base-collector capacitance
Carboxylic acids and derivatives thereof and pharmaceutical compositions containing them
Si3N4 ceramic, Si-base composition for production thereof and processes for producing these
Preparation of a basic catalyst avoiding high temperatures
Method for providing uniform gas delivery to substrates in CVD and PECVD processes
Manufacturing method of a semiconductor device
Process for the production of proteins in soluble form by modulation of an inducible promoter
Methods of reducing proximity effects in lithographic processes
Triangle traversing method and a rasterizer adopting the same
Field emission display having circuit for preventing emission to grid
Manufacturing method of printed circuit board
Etching gas mixture for transition metal thin film and method for etching transition metal thin film using the same
Method of producing flat panels
