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
Telefoncentralarrangement, ved hvilket Tilvejebringelsen af interurbane Forbindelser styres automatisk ved Hjælp af Vekselstrømme.
摘要
申请公布号
DK43456(C)
申请公布日期
1930.12.08
申请号
DKD43456
申请日期
1925.08.07
申请人
WESTERN ELECTRIC NORSK AKTIESELSKAP
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
SOLID-STATE IMAGE PICKUP DEVICE
RADIANT HEATER FOR COOKING APPARATUS
VERTICAL MAGNETIC RECORDING MEDIUM
PICTURE INFORMATION PROCESSING SYSTEM
SUPPORT BED FOR INDEPENDENT TANK
SOLID-STATE IMAGE PICKUP DEVICE
SOLID-STATE IMAGE PICKUP DEVICE
WIRE HARNESS FOR AUTOMOBILE
WHITE DARK CLIPPING CIRCUIT OF LUMINANCE SIGNAL RECORDING SYSTEM OF VTR
KEYBOARD INPUT PROCESSING SYSTEM
PICTURE SIGNAL PROCESSING METHOD
OPERATION TIME ELEMENT CIRCUIT
HINGE
SUCTION DUCT ON A LITTER COLLECTION VEHICLE
PHOTOGRAPHIC CAMERA
METHOD FOR INDICATING SLIPPING BETWEEN A SURFACE AND A DRIVING ROTATIVE ELEMENT
BALL BEARING FOR LINEARLY MOVING PARTS
GRIP CONVEYOR FOR JUMBO ROLLS OF PAPER AND PRODUCTS OR CONTAINERS WITH TWO PARALLEL SIDES
HOLLOW FIBER CELL CULTURE DEVICE AND METHOD OF OPERATION
COATED ABRASIVE SHEET MATERIAL WITH IMPROVED BACKING
