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 IN VARIABLE-VOLTAGE & VARIABLE-FREQUENCY POWER CONVERTER
摘要
申请公布号
EP0390184(B1)
申请公布日期
1993.06.02
申请号
EP19900106148
申请日期
1990.03.30
申请人
KABUSHIKI KAISHA TOSHIBA
发明人
TANAKA, SHIGERU
分类号
H02M7/48;H02M7/49;H02P27/08
主分类号
H02M7/48
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COUPLING MECHANISM FOR BUILDING
CYCLOOCTENE PROCESS FOR PREPARING SAME PROCESS FOR PREPARING ALPHAALINALOL AND PROCESS FOR PREPARING PERFUME COMPOSITION
THICKNESS SLIDE CRYSTAL VIBRATOR
BILLET FLAW REMOVING DEVICE
PLUNGER FOR INJECTOR
PHARMACEUTICAL COMPOSITION
IMPROVED OFFSET PRINTING PLATE
Heat pipe assembly
PROCESS FOR PREPARING 44PHENOXYYPHENOL
Deflection control device
Apparatus for stacking and baling newspapers or the like
Preparation of nitrogen trifluoride
Insular waveguide directional coupler
Dehydrocoupling process
TRANSPORTABLE LIQUID PACKAGE FOR USE IN APPARATUS FOR LAVAGE OF BLOOD
Apparatus for displaying a section of a body subjected to penetrating radiation, in particular X rays or gamma rays
Method for preparing low-substituted cellulose ethers
Paired battery grids with severable brace, plastic lugs, and lead lug
Method for preparing reduced metal catalyst having metal surface area
Increasing the clay dissolving capability of a buffer-regulated mud acid
