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
Fault locating means for electric power transmission lines, having means for recording, reproducing and displaying transmitted and reflected signals
摘要
申请公布号
US3211997(A)
申请公布日期
1965.10.12
申请号
US19600002221
申请日期
1960.01.13
申请人
NIPPON ELECTRIC COMPANY LIMITED
发明人
HARA MINORU
分类号
G01R31/11
主分类号
G01R31/11
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Improvements in cranes and other lifting gear
Process for applying optical layers to glass
A core for a dynamo electric machine
Improvements in apparatus for recording and reproducing sound
Dispositif de commande de mouvement alternatif
Perfectionnements aux procédés de préparation des virus pour la destruction des rongeurs nuisibles et produits obtenus
Pinceau portatif pour rouge à lèvres, fards, etc...
Perfectionnements à la jonction des courroies
Improvements in or relating to center drills
Improvements in or relating to rotors for turbo-machines
Improved catalytic materials
Optical interference coatings
Improvements in or relating to steering heads for walk-type tractors
Trinuclear cyanine dyes
Improvements in or relating to electromagnet structures
Improvements in or relating substituted diamines
Improvements in or relating to radar systems
Improvements in the manufacture of hermetically sealed envelopes having metallic parts
Règle semi-prismatique évitant les taches et les traits déformés
Fyldepen.