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
Relay circuit
摘要
申请公布号
US2111632(A)
申请公布日期
1938.03.22
申请号
US19360116838
申请日期
1936.12.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KANNENBERG WALTER F.
分类号
H01H47/18
主分类号
H01H47/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
WATER FEEDING APPARATUS
ADDRESS RECOGNIZER, POSTAL ITEMS SORTER AND POSTAL ITEMS HANDLING SYSTEM
Doseerinrichting voor vloeistof.
STRUTTURA DI OROLOGIO
DISPOSITIVO REGGI OMBRELLO A SPALLA.
SISTEMA PER L'IMMAGAZZINAMENTO DI COLLI IN ATTESA IN AEROPORTI
CONVEYING ROLLER AND MANUFACTURE THEREOF
Metod och anordning för ihopfällbart databord/hållare i fordon
DISPOSITIVO DI COLLEGAMENTO IDRAULICO PER CESTELLO DI LAVASTOVIGLIE POSIZIONABILE A DUE ALTEZZE DIVERSE
INK JET HEAD AND PRODUCTION THEREOF
APPARECCHIO DI FORMAZIONE DI IMMAGINE
DOOR GUARD
CLOSET VENTILATING STRUCTURE
FOOT REST FOR INSPECTION AND BURIED TANK HAVING THE FOOT REST
LIQUID PRESSURIZING VESSEL
EXPOSURE DEVICE AND METHOD THEREFOR
METHOD AND DEVICE FOR WINDING CONVEYED SUBSTANCE IN SHEET-FORM
CONTROL DEVICE FOR ELECTRIC PARTITIONING DEVICE
INDUCTION OF IMMUNOLOGICAL TOLERANCE, IMMUNOLOGICAL TOLERANCE INDUCING FOOD KIT AND IMMUNOLOGICAL TOLERANCE INDUCER KIT
HIGH FREQUENCY OPENER LIKE ENDOSCOPE
