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
SIGNALLING SYSTEM
摘要
申请公布号
CA450957(A)
申请公布日期
1948.08.31
申请号
CAD450957
申请日期
申请人
BELL TELEPHONE LABORATORIES;WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
LANGFORD J. BOWNE
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
IMPROVEMENTS IN OR RELATING TO ENVELOPE ASSEMBLIES
VARIABLE DENSITY BOARD HAVING IMPROVED THERMAL AND ACOUSTICAL PROPERTIES AND METHOD AND APPARATUS FOR PRODUCING SAME
AUTOMATIC DIALING DEVICE
METHOD AND APPARATUS FOR THE MEASUREMENT OF THE PROPERTIES OF AN AGGLUTINATION
METHOD OF MEASUREMENT AND A CUVETTE
VENTILATOR
PICTURE FRAME FASTENER
INTERNAL COMBUSTION ENGINE COOLING METHOD AND DEVICE
WATER PURIFICATION SYSTEM
PROCESS FOR IMPROVING VIGOR AND MOOD IN NORMAL HUMAN PATIENTS
MODIFIED LOOP ANTENNA FOR SECURITY SYSTEMS
ELECTRODYNAMIC DRIVING DEVICE
METHOD AND DEVICE FOR PRODUCING SPUN YARNS
WIND POWER GENERATOR
LOW RIPPLE REGULATED X-RAY TUBE POWER SUPPLY
ACTUATING MECHANISMS FOR SMALL ARMS
KICKOUT BUCKET POSITIONER
STRUCTURE FOR MOUNTING SOLAR HEAT COLLECTOR AND METHOD OF CONSTRUCTION OF THE SAME
HEISSKANALDUESE FUER THERMOPLASTE
THERMISCHE AUFZEICHNUNGSEINRICHTUNG
