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
AUTOMATIC INSPECTION SYSTEM
摘要
PURPOSE:To permit decision as to whether or not a relay is sound or not from a frequency characteristic showing the overall characteristic of a differential current relay system and monitoring this characteristic.
申请公布号
JPS5421549(A)
申请公布日期
1979.02.17
申请号
JP19770086044
申请日期
1977.07.20
申请人
HITACHI LTD
发明人
NOMURA SEISHI
分类号
H02H3/05;H02H3/28
主分类号
H02H3/05
代理机构
代理人
主权项
地址
您可能感兴趣的专利
END DETECTING CIRCUIT FOR AUTOMATIC MUSIC SELECTING DEVICE
CLEANING DISQUETTE
FADER OF RECORD PLAYER EQUIPMENT
METHOD AND APPARATUS FOR IMPROVING HEAT EXCHANGING EFFICIENCY OF WATER PIPE TYPE HEAT EXCHANGER
HEAT EXCHANGER
DENSITY ADJUSTOR FOR SINTERING CHARGE
AIR FLOW DIRECTION VARYING DEVICE FOR BLOWER OF AIR CONDITIONER
REHEAT TYPE GAS TURBINE
METHOD OF REDUCING PRESSURE RISE IN PRESSURE-ACCUMULATION-TYPE LOW-TEMPERATURE LIQUIFIED GAS TAKER
BRAKE
METHOD FOR RECYCLING WASTE CHROMIUM PLATING SOLUTION
AUTOMATIC ADJUSTING DEVICE OF BRAKE GAP IN DRUM BRAKE
DISPERSION REINFORCED ALUMINUM ALLOY AND PREPARATION THEREOF
INFUSION OF NIOBIUM AND OR TANTULM ORE
SMELTING METHOD
REMOISTENING ADHESIVE
ORGANIC PIGMENT
OLEFIN POLYMER COMPOSITION
Splint for stabilising animal teeth.
Raster scanners.