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
Lens
摘要
申请公布号
US2100291(A)
申请公布日期
1937.11.23
申请号
US19350032047
申请日期
1935.07.18
申请人
KAPELLA LIMITED
发明人
LEE HORACE WILLIAM
分类号
G02B13/18
主分类号
G02B13/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Folding carton blank and carton produced from such blank
Improvements in or relating to teaching machines
Improvements in or relating to signal-recording apparatus, and cathode ray tubes therefor
Fluid flow control valves
Epoxide resins
A rectilinear textile combing machine
Improvements in or relating to assemblies having sealing means located between relatively moving surfaces
Permanent magnet periodic focusing structures for travelling wave tubes
A column comprising a rectangular frame and a method for the manufacture of such a column with machined surfaces
Improvements in or relating to frictional rotation transmitting devices
Improvements in or relating to smokers' ash-trays
Improvements in telescopic umbrellas
Improvements in textile ring spinning and twisting machines
Record cleaning devices
Improvements in textile carding machines
Process for the production of electro-photographic plates
Verfahren zur Herstellung von elastomeren Vulkanisaten
Improvements in or relating to pump drive mechanisms
Polymers containing phosphorus and a process for preparing them
Novel therapeutically active nitro-furfurylidene derivatives, their preparation and pharmaceutical compositions incorporating them
