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
Cinematograph screen having improved properties
摘要
申请公布号
US2934997(A)
申请公布日期
1960.05.03
申请号
US19570642292
申请日期
1957.02.25
申请人
ANDREW SMITH HARKNESS LIMITED
发明人
HARKNESS THOMAS SMITH
分类号
G03B21/60
主分类号
G03B21/60
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Nonreciprocal wave translating network
Transistorized pulse gate noise limiter
Apparatus for automatic testing of a potentiometer's linearity and total resistance including actuating means responsive to a predetermined percent of error
Starting circuit for a synchronous motor
Method and apparatus for forming glass
Condition control system
Telephone hookswitch and exclusion key interlocking arrangement
Thiamine disulfide derivatives of octanoic acid and their preparation
Preparation of dialdehyde polysaccharide addition products
Process for separating benzene carboxylic acids
Process of deinking printed paper
Fluoaluminate composition as dielectric material
Recovery of hafnium hydroxide
Bearing seals for bottom drafting rollers
Telescopic tube
Balancing and shutoff valve
Automatic container inspection machine
Steel space heater construction
Posture indicating device and hat
Manufacture of baglike structures
