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 in spectacle frames
摘要
申请公布号
GB381671(A)
申请公布日期
1932.10.13
申请号
GB19310024032
申请日期
1931.08.26
申请人
WILLIAM DAVID EGLINTON
发明人
分类号
G02C5/02
主分类号
G02C5/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Classifying or sorting
Absorbent products having integral transverse retaining tab and pocket
Base site with remote calibration capability
APPARATUS FOR ELIMINATING ABNORMAL MATERIAL IN SKIRTOF CRT PANEL
LOST ERROR POSITION DETECTING CIRCUIT OF GALOIS FIELD
One-pot process
Decahydro-8H-isoquino(2,1-g) (1,6) naphthyridine and decahydrobenzo(a) pyrrolo(2,3-e) quinolizine derivatives
Oil additive concentrates and lubricants of enhanced performance capabilites
MAIN AMPLIFIER FOR PROVIDING MULTI OUTPUT SIGNAL INHIFI AUDIO SYSTEM
Improved encapsulation method
Water recycling process
Ultra-sonic fuel/water injection system
Insert plughole
Transmission
Water dispenser
The guardian
Boat hull
Receive antenna monitor
Noise abatement
Collapsible box truss
