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
(B1) ;METHOD OF MEASUREMENT OF ACTIVE, REACTIVE, DEFORMING, APPARENT AND WATTLESS POWER FOR PREDETERMINED TIME INTERVALSJJ I KAZHUHHEJJSJA MOHHNOSTI V TECHENIE TOCHNO OPREDELENNYKH PROMEZHUTKOV VREMENI
摘要
申请公布号
PL205214(A1)
申请公布日期
1980.01.28
申请号
PL19780205214
申请日期
1978.03.09
申请人
POLITECHNIKA GDANSKA
发明人
SAWICKI JERZY
分类号
G01R;G01R21/00;(IPC1-7):G01R/
主分类号
G01R
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Mfg method for plug-in units and mounting plates for LV switchgear
Analogue input magnitude to digital output value conversion method
Electrical fence with wire-clamping insulators fixed to posts
Coupling between rotating parts with misaligned axes
Vorrichtung zum Halten und Führen von Kabeln und Schläuchen in Schaltschränken
Verfahren zur Teppichreinigung
Cladding for stove with steel frame structure
Reinforcement cut=out production for concrete prefabricates
Rotary printing machine with round printing head
Verfahren und Vorrichtung zur Feuerungsregelung einer Dampferzeugeranlage
Arrangement for removing dark phase when exchanging photo-slides in projector
Device for connecting furniture components to one another
Injection moulding tool for prodn. of U=shaped window covers or diskette housings
Exercise machine esp. for use in hospital, old person's home etc.
Method of allotting and withdrawing reception authorisation for chargeable reception
Stored fuel-injection system with preinjection for IC engine
Feedback control system e.g. for fluorescent lamp
Mechanism for inserting and removing ceiling shuttering
Stop piece for preventing sliding base from loss after detachment of safety binding, e.g. for skis or snow-boards
IC engine with exhaust brake