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 relating to alternating electric current rectifiers of the selenium type
摘要
申请公布号
GB534043(A)
申请公布日期
1941.02.26
申请号
GB19390027862
申请日期
1939.10.13
申请人
WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED;LESLIE ERNEST THOMPSON;ALEXANDER JENKINS
发明人
分类号
H01L21/12
主分类号
H01L21/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND UNIT FOR EJECTING LIQUID DROP, METHOD FOR FABRICATING LIQUID CRYSTAL DEVICE, LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS
MACHINE TOOL PROVIDED WITH BRAKE MEANS FOR MACHINE PART
SHIRRED CASING IN STICK SHAPE, AND PROCESS FOR PREPARATION OF SHIRRED CASING
SOLID ABRASIVE SUPPLY DEVICE
ASSEMBLY-WELDING DEVICE FOR METALLIC MATERIAL NEEDING NARROW GAP
METHOD FOR MANUFACTURING THERMOPLASTIC RESIN FILM
ROLLER AND MANUFACTURING METHOD THEREFOR
METHOD FOR INSTALLATION OF MANUFACTURING EQUIPMENT FOR WOODY MOLDED ARTICLE
RESIN SEALING MOLD
MOLDING TOOL FOR GOLF BALL AND MANUFACTURING METHOD FOR GOLF BALL
Multi-way articulated electrical junction box
Email interception and archiving
Cosmetic article and related methods
Use of oral care composition
Biodegradable fresh produce packs
Electronic game device
Fire resistant frames
INDUCTION OF TOLERANCE
PROCESS FOR MANUFACTURING A SOLE FOR SHOES COMPOSED OF A TREAD SOLE MADE OF VULCANIZED RUBBER MATED WITH A POLYURETHANE MID-SOLE
Device at travel platform of industial truck
