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
Manufacture of photo-electric cells
摘要
申请公布号
US1803000(A)
申请公布日期
1931.04.28
申请号
US19290330156
申请日期
1929.01.03
申请人
ROBERT CAMPBELL NORMAN
发明人
CAMPBELL NORMAN ROBERT
分类号
H01J40/06
主分类号
H01J40/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ADHESIVE FOR CARBONACEOUS MOLDING
PRODUCTION OF LIQUID HYDROCARBON FROM CO2 AND H2
PROTEASE INHIBITOR-BBRPI AND PREPARATION THEREOF
PRODUCTION OF FLUOROALKYL-SUBSTITUTED ACETAL
VIDEO SIGNAL TRANSMITTER
WIRELESS REMOTE CONTROLLER
OPTICAL TWO-WAY TRANSMISSION SYSTEM
TRANSMISSION RECEPTION METHOD FOR OPTICAL TWO-WAY TRANSMISSION
MARKER
THERMAL TRANSFER PRINTER
LASER-CUTTABLE POLYMERIC DIELECTRIC AND ITS FORMATION
FRAME SYNCHRONIZING CIRCUIT
ROM DEVICE
LIPID METABOLISM REGULATION AGENT
RADIO CALLING TELEPHONE SYSTEM
PORTABLE RADIO TELEPHONE SET
SEQUENCER FOR ELECTRONIC MUSICAL INSTRUMENT
LIQUID CRYSTAL DISPLAY DEVICE
TAPE SPEED ADJUSTING DEVICE FOR TAPE PLAYER
MANUFACTURE OF CASTING COIL