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
Transistor
摘要
申请公布号
US2887630(A)
申请公布日期
1959.05.19
申请号
US19570640212
申请日期
1957.02.14
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
NIJLAND LOUIS MARIUS;MANINTVELD JAN ADRIANUS
分类号
A01F12/44;H01L21/00;H01L23/16;H01L29/00
主分类号
A01F12/44
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Fremgangsmåde til fremstilling af 2- eller 4-p-aminobenzensulfonylamido-pyrimidiner eller salte deraf.
Trækregulator.
Fremgangsmåde til fremstilling af en slidbestandig kalk i roterovn, navnlig til metallurgiske formål.
Apparat til fremstilling af væskefyldte, pudeformede pakninger.
Bulk material handling apparatus
Improvements in shock-absorbing pads for conduit clamping devices
Metallised thermoplastic plastics materials
Packaging film and method for its production
Process for adhering olefin copolymers to rayon fibres and fabrics
Aluminum alloy electrical conductor
Improvements in and relating to transducers
Improvements in or relating to mechanical control devices
Broom
Thread forming screw and method of making same
Friction hinge for windows and the like
Combined spectroscope and microscope
Variable ratio friction gears
White sulfur marking compositions
Nuclear reactors
Liquid dispensing control apparatus
