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
LEAKAGE DETECTOR
摘要
申请公布号
JPH0329831(A)
申请公布日期
1991.02.07
申请号
JP19890164008
申请日期
1989.06.28
申请人
HITACHI LTD
发明人
YAMADA IZUMI
分类号
G01M3/24
主分类号
G01M3/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SIGNAL-TO-NOISE INTERFERENCE POWER RATIO ESTIMATING DEVICE
MONITORING DEVICE
METHOD AND DEVICE FOR ADJUSTING COUNTER BALANCE OF PUMP JACK
SERIAL RECEIVER
CIRCUIT BOARD AND LEAD WIRING METHOD
TEST PROGRAM DEVELOPING DEVICE
ELECTRONIC FILING SYSTEM
GAS SENSOR
VARIABLE DISPLACEMENT TYPE GAS COMPRESSOR
SERVO CONTROLLER OF MOTOR
INDEX CREATING DEVICE, CHARACTER STRING COLLATING DEVICE, INDEX CREATING METHOD, CHARACTER STRING COLLATING METHOD AND STORAGE MEDIUM
OPTICAL FIBER CONNECTOR AND OPTICAL COMMUNICATION MODULE USING IT
METHOD AND DEVICE FOR FINDING TEMPERATURE OF OPERATION MECHANISM BY ELECTRIC MOTOR
SIMILARITY DISCRIMINATING METHOD
LAMINATION TYPE GAS SENSOR ELEMENT, METHOD OF MANUFACTURING THE SAME AND GAS SENSOR EQUIPPED WITH GAS SENSOR ELEMENT
DIAGNOSTIC DEVICE FOR ENGINE
POWER SUPPLY DEVICE AND CAMERA WITH SAME
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND DATA INPUT/ OUTPUT PART THEREFOR
DEVICE AND METHOD FOR AUTOMATIC PLAYING
DEVICE FOR DEMAND FORECAST