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
BUSY DETECTOR CIRCUIT FOR STEP-BY-STEP TELEPHONE EXCHANGE
摘要
申请公布号
US3535461(A)
申请公布日期
1970.10.20
申请号
USD3535461
申请日期
1967.12.15
申请人
STROMBERG CARLSON CORP.
发明人
MATYAS HUGYECZ
分类号
H04Q3/00;(IPC1-7):H04M3/22
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LOADING DOOR CONTROL APPARATUS
CAP WITH RADIO
TUNING APPARATUS PERMITTING RECEPTION OF RF,E.G.TELEVISION,CARRIERS AT NONSTANDARD FREQUENCY
RANGE MEASUREMENT SYSTEM
ENZYME COMPOSITION
OPTICAL DISK
ELECTROPHOTOGRAPHIC DEVELOPING COMPOSITION
POLARIZATION CONTROLLER
MUSICAL SOUND SIGNAL GENERATOR
LATERAL SEALING DEVICE
OPTICAL INFORMATION RECORDING MEDIUM
THERMAL RECORDING MATERIAL
MOLDED PLASTIC-CLOSURE-CAP INCLUDING VACUUM DISPLAY MEANS
AUTOMOTIVE THEFTPROOF DEVICE
PREPARATION OF NAMEMISO-LIKE FOOD
POWDERY SEASONING IMPARTING TASTE AND FLAVOR OF CHAHAN
PREPARATION OF SWEETENED BEAN PASTE
RADIO SUBSCRIBER'S TELEPHONE SET
FORMATION OF LAVER AND DEVICE THEREFOR
BEARING
