Improvements in or relating to sound recording medium,申请号GB19490011635-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Improvements in or relating to sound recording medium
摘要
申请公布号	GB681992(A)	申请公布日期	1952.11.05
申请号	GB19490011635	申请日期	1949.05.02
申请人	DICTAPHONE CORPORATION	发明人
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

REINFORCEMENT APPARATUS OF WATER PIPE IN WEAKNESSGROUND

APPARATUS FOR LAYING UNDERGROUND LINE OF TRANSFORMING AND DISTRIBUTING HIGH-VOLTAGE CABLE

APPARATUS FOR LED DISPLAY OF CONTROL SWITCH FOR PEDESTRIAN CROSSING CONTROL DEVICE

REUSABLE CONSTRUCTION KIT (VARIANT EMBODIMENTS), A PANEL WITH SKIRTINGS, AND A CONNECTING ELEMENT THEREFOR

ORGANIC ELECTROLUMINESCENT ELEMENT, AND METHOD FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT ELEMENT

TREATMENT FOR LEUKEMIA AND IDIOPATHIC APLASTIC ANEMIA

ACTINIC-RADIATION CURABLE JET-PRINTING INK COMPOSITION AND THERMOPLASTIC RESIN SHEET WITH PATTERN

EXPRESSWAY CHARGING SYSTEM AND EXPRESSWAY CHARGING METHOD BASED ON GPS NAVIGATION TECHNOLOGY

HIGH-SPEED COMPRESSION ARCHITECTURE FOR MEMORY

DEVICE FOR TAPPING A BEVERAGE OUT OF A REUSABLE KEG AND METHOD FOR FILLING SAID KEG

BUS MONITOR CIRCUIT AND BUS MONITOR METHOD

ORGANIC WASTEWATER TREATMENT DEVICE AND ORGANIC WASTEWATER TREATMENT METHOD

NANOCOMPOSITE THERMOELECTRIC CONVERSION MATERIAL AND METHOD OF PRODUCING THE SAME

OPTICAL LINE TERMINAL

COMPUESTOS DE TRIAZOL Y DE IMIDAZOL, SU USO, ASI COMO PRODUCTOS QUE LOS CONTIENEN

APPARATUS AND METHOD FOR USER AUTHENTICATION USING RANDOM KEYPAD

DEHYDRIN-LIKE GENE OF COTTON AND USES THEREOF

REAL TIME PEER TO PEER NETWORK

NON-LINEAR ELEMENT, DISPLAY DEVICE INCLUDING NON-LINEAR ELEMENT, AND ELECTRONIC DEVICE INCLUDING DISPLAY DEVICE

PLASMA PROCESSING APPARATUS