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
Light valve
摘要
申请公布号
US1963496(A)
申请公布日期
1934.06.19
申请号
US19330651954
申请日期
1933.01.16
申请人
LAND EDWIN H
发明人
LAND EDWIN H.
分类号
G02F1/17
主分类号
G02F1/17
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SOSPENSIONE ELASTICA AMMORTIZZATA PER RUOTE DI VEICOLI IN PARTICOLARE DI AUTOVEICOLI
COSMETIC COMPOSITIONS
AUTOMATIC TOOL CHANGER
MANUFACTURE OF METAL FINE GRAIN
MACHINING OF CRANK SHAFT
ANAEROBIC FERMENTATION METHOD
CONTROL METHOD FOR INJECTION QUANTITY OF AMMONIA
SOIL WATER PURIFYING DEVICE
SLAB INVERTER
SHEARING DEVICE FOR END PORTION OF BAR MATERIAL APPLIED TO FORGING MACHINE OR ITS SIMILAR MACHINE
THREAD CUTTING DIE
SLIDING DOOR WINDOW OF INWARDLY OPENING CONSTRUCTION
METHOD OF INSTALLING COLDNESS RETAINING MATERIAL ON INSIDE SURFACE OF ROOF OF LOWWTEMPERATURE TANK
PACKAGEETYPE ELECTRICITY GENERATION EQUIPMENT
DEVICE FOR OPENING DOOR
TILE
HOLLOW CYLINDRICAL FENDER
DEVICE FOR FIXING CAT WALK ROPE
METHOD OF PREVENTING RUST OF CHROMIUM PLATED ON PLASTIC FOR ORNAMENTATION
POLYMERIZATION OR COPOLYMERIZATION OF ALPHAAOLEFIN
