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
Telegraph relay
摘要
申请公布号
US2219222(A)
申请公布日期
1940.10.22
申请号
US19370162785
申请日期
1937.09.07
申请人
HOWARD CARPENTER RUPERT EVAN
发明人
CARPENTER RUPERT EVAN HOWARD
分类号
H01H50/54
主分类号
H01H50/54
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRODUCTION OF CALCIUM PHOSPHATE CERAMIC SINTERED FORM
CASTABLE REFRACTORY
HYDRAULIC COMPOSITION
PRODUCTION OF CARBON FIBER-REINFORCED CARBONACEOUS COMPOSITE
OXIDE SUPERCONDUCTOR COMPOSITION
LOGIC SIMULATOR
CONTROL DEVICE FOR SPEED OF WORKING VEHICLE
AUTOMATIC SYSTEM FOR EVALUATING SENSITIVITY TO INVENTORY COST WITH VARIATIONS IN ORDER OF CUSTOMER
MANUFACTURE FOR BIOINDUCTION ELECTRODE
CONTINUOUS BLOOD PRESSURE MEASURING APPARATUS
SEPARATION OF GAS
METHOD FOR LINING AND FIXING CERAMICS TO INNER SURFACE OF PIPE
MANUFACTURE OF FOAMED HOLLOW TUBE AND ITS DEVICE
OPTICAL HEAD DEVICE
IRON CHELATE RECORDING SHEET
LOW LOSS OXIDE MAGNETIC MATERIAL
AIRCONDITIONER
THRESHOLD MECHANISM FOR ROTARY ELEVATING DOOR
INDIVISUAL DISTRIBUTOR OF REACTION LIQUID FOR COLLECTING EMBOSSED PATTERN AND USE THEREOF
FREQUENCY CONTROLLER
