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
NOISE MEASUREMENT DEVICE FOR AMPLIFIER
摘要
申请公布号
JPS52142953(A)
申请公布日期
1977.11.29
申请号
JP19760060247
申请日期
1976.05.25
申请人
NIPPON ELECTRIC CO
发明人
MINEMURA KOUICHI
分类号
G01R31/00;G01J1/00;G01J1/42;G01R29/26
主分类号
G01R31/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AIR-CUSHION VESSEL
SAFETY BELT FOR AUTOMOTIVE VEHICLE
HYDRAULIC PRESS
METHOD FOR PRODUCTION OF MULTILAYER BILLETS BY ROLLING
METHOD FOR PRODUCTION OF ROLL-FORMED SHAPES HAVING TRANSVERSE CORRUGATIONS ON THE WALL
DEVICE FOR SATURATING FLUID WITH GAS
COMPLEX FOR DELIVERY OF LIQUID CARGOES TO BEACH
DEVICE FOR SCALPING BILLETS
MIXER OF FINALLY DIVIDED LOOSE AND FLUID COMPONENTS
METHOD FOR ABSORPTION OF LOW-CONCENTRATED WATER-SOLUBLE GASES
DEVICE FOR FINE PURIFICATION OF AIR FROM DUST
SETTLER
METHOD OF RESTORING FITNESS TO WORK
METHOD OF SANITATION OF OPEN EMPYEMA OF THE CHEST AND DEVICE FOR EFFECTING THE SAME
SURGICAL OPERATION DEVICE
COMPOSITION FOR ORAL CAVITY DISEASES PROPHYLAXIS
CATAMARAN
ROTOR INTERNAL COMBUSTION ENGINE
INTERNAL COMBUSTION ENGINE
WIND MOTOR