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
Arrangement for regulating the speed of electric motors intended to operate with twodifferent ranges of speed
摘要
申请公布号
GB659938(A)
申请公布日期
1951.10.31
申请号
GB19490009799
申请日期
1949.04.11
申请人
AKTIENGESELLSCHAFT BROWN BOVERI & CIE
发明人
分类号
H02P5/68
主分类号
H02P5/68
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CUSHION BOTTOM
FIXATION STRUCTURE OF HORIZONTAL DEFLECTION COIL IN DEFLECTION YOKE
PIG IRON CERAMIC
SEMICONDUCTOR MEMORY DEVICE
A MASTER MACHINE FOR A GOLF SWING
PHONE BOOK DATA BACKUP METHOD FOR MOBILE COMMUNICATION DEVICE USING MULTIMEDIA MESSAGE SERVICE
CONNECTING DEVICE OF GAS-PIPE
APPARATUS FOR INSPECTING SEMICONDUCTOR DEVICE AND ITS METHOD
MOBILE COMMUNICATION TERMINAL WITH A SAFETY PASSWORD AND THE OPERATING METHOD FOR THE SAME
FLAME-RETARDANT COMPOSITE MATERIAL COMPRISING POLYETHYLENE TEREPHTHALATE-BASED WASTE PRODUCT PARTICLES AND FLAME-RETARDANT ARTICLE THEREFROM
DEVICE FOR CLAMPING WAFER IN ION IMPLANTATION EQUIPMENT
METHOD OF DECREASING 3D VIEWING DISTANCE AND DISPLAY THEREOF
MOBILE COMMUNICATION DEVICE
DUPLEXER
MOBILE COMMUNICATION TERMINAL WITH EXTERNAL ANTENNA
METHODS AND A APPARATUS OF DISPLAYING POP-UP MESSAGE WITH BATTERY REMAIN LEVEL FOR MOBILE PHONE
WATER-PROOFING MATERIAL COMPOSITION FOR UNDERGROUND WATER RESERVOIR USING POROUS STONE
ORTHO-SUBSTITUTED ANTHRANILIC ACID AMIDES AND THEIR USE AS MEDICAMENTS
CREAM FOR HEELS AND PREPARATION PROCEDURE THEREOF
PROCESS FOR OBTAINING CLOD PREVENTING AGENT FOR FERTILIZERS AND ORGANOKAOLINE OBTAINED FROM THE POCEDURE THEREOF