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
Indicator circuit
摘要
申请公布号
US2465368(A)
申请公布日期
1949.03.29
申请号
US19440548699
申请日期
1944.08.09
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
FRINK FREDERICK W.
分类号
G01R13/30;G01S1/02;G01S19/14
主分类号
G01R13/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROTECTIVE COATING
DEVICE FOR BATCHING AND MIXING LOOSE MATERIALS
WRITING ATTACHMENT
SHAFT ROTATION ANGLE-TO-RAMP VOLTAGE CONVERTER
METHOD OF DETERMINING STRESSED CONDITION OF PLASTICALLY DEFORMED MATERIALS
DISPLACEMENT PICKUP
DRYING PROCESS CONTROL METHOD
APPARATUS FOR DRYING ELONGATED MATERIALS IN SUSPENDED STATE
DEVICE FOR MEASURING FORCES IN FLEXIBLE THREADS
DEVICE FOR MEASURING PARAMETERS OF CONTACT FREE SENSORS PATH
APPARATUS FOR CONTINUOUS COOLING OF AIR
UNIT FOR COOLING AIR
GAS LIGHTER
DISTRIBUTING DUST CONCENTRATOR
APPARATUS FOR CONNECTING TUBES
END SEAL
METHOD OF MONITORING EFFICIENCY OF FERROLIQUID IN MAGNETIC-LIQUID SEALINGS
VARIABLE SPEED DRIVE
VENTILATOR INPUT GUIDING APPARATUS
APPARATUS FOR CONTROLLING GROUP OF PARALLELLY OPERATING PUMPS WITH TURBODRIVES