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 or relating to optical filters
摘要
申请公布号
GB993538(A)
申请公布日期
1965.05.26
申请号
GB19630010601
申请日期
1963.03.18
申请人
PHILIPS ELECTRONICS AND ASSOCIATED INDUSTRIES LIMITED
发明人
分类号
G02B5/28;H01J61/40
主分类号
G02B5/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF START-UP OF A CONTAMINATED HYDROCARBON-CONVERSION SYSTEM USING A CONTAMINANT-SENSITIVE CATALYST
READING METHOD AND APPARATUS FOR BAR CODE
COMBINED CALCULATOR AND PUZZLE GAME DEVICE
A SHIP HAVING GUIDE FINS
COMPOUND,COMPOSITION AND USE
Urea-isocyanurate copolymers
GRAFTED, CROSSLINKED AND CROSSLINKABLE PROPYLENE COPOLYMER
A ONE COMPONENT SEALANT COMPOSITION
STABILISED CHLORINATED POLYMER COMPOSITIONS
STORAGE OF ENTOMOPATHOGENIC NEMATODES
MODIFIED POLYPROPYLENE, PROCESS FOR MAKING ARTICLE MADE FROM THE SAME
IMPROVED RASTERIZATION SYSTEM
SUBSTITUTED PYRIMIDINES
ROTARY SHAFT SEALING DEVICE
SLOW MEMORY REFRESH IN A COMPUTER WITH A LIMITED SUPPLY OF POWER
ELECTRICAL SPLICE SEALANT PAD
MOLDED PLASTIC BELT WITH INTEGRAL LOCKING MECHANISM
LEAD ACID BATTERY REJUVENATOR AND CHARGER
METHOD AND APPARATUS FOR MEASURING CARDIAC OUTPUT
METHOD FOR THE PRODUCTION OF CATALYTIC RNA IN BACTERIA
