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
A multiple focal point profiled phase plate.
摘要
申请公布号
IN173063(B)
申请公布日期
1994.02.05
申请号
IN1988MA78419
申请日期
1988.11.10
申请人
COHEN ALLEN L.
发明人
COHEN ALLEN L.
分类号
G02B3/10;(IPC1-7):G02B3/10
主分类号
G02B3/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL DEFLECTION SCANNING DEVICE
STRUCTURE OF OPTICAL WAVEGUIDE MODULE
MANUFACTURE OF OPTICAL WAVEGUIDE
METHOD AND DEVICE FOR THERMALLY DEPOSITING AT LEAST TWO LIGHT WAVE GUIDED FIBER TERMINALS
AUTHENTICATION SYSTEM
VIRTUAL DEVICE ACCESS SYSTEM
ACTIVE VIBRATION CONTROLLER
LIQUID AMOUNT-MEASURING APPARATUS
SAMPLE TREATMENT, REACTION EVALUATING METHOD AND ANALYZER
METHOD FOR DETECTING POSITION OF TRAIN
ELECTRIC ROLLING STOCK CONTROL EQUIPMENT
SEMICONDUCTOR DEVICE AND ITS MANUFACTURE
FLEXIBLE METAL FOIL POLYIMIDE LAMINATE
SEMICONDUCTOR DEVICE
INDUCTION HEATING DEVICE
DISTRIBUTED NETWORK AND METHOD FOR DETECTING RESOURCE
REFLECTION TYPE GUEST-HOST TYPE LIQUID CRYSTAL DISPLAY ELEMENT
CHEMICALLY SENSITIZED POSITIVE RESIST MATERIAL AND PATTERN FORMING METHOD
COPOLYMER FOR PRODUCING POSITIVE TYPE PHOTORESIST AND CHEMICAL AMPLIFICATION TYPE POSITIVE PHOTORESIST COMPOSITION CONTAINING SAME
POSITIVE PHOTORESIST COMPOSITION
