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
Teletypewriter system
摘要
申请公布号
US2307842(A)
申请公布日期
1943.01.12
申请号
US19410411095
申请日期
1941.09.17
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
MARTIN WADE B.
分类号
H04L12/26;H04L25/04
主分类号
H04L12/26
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SEPARATION AND RECOVERY METHOD OF CARBON DIOXIDE IN GAS AND APPARATUS FOR THE SAME
DEVICE AND METHOD FOR SUPPORTING DRIVING OPERATION
STAIRS, BUILDING UNIT, AND INDOOR HEATING SYSTEM
METHOD FOR MANUFACTURING CIRCUIT BOARD
DEVICE FOR DETECTING ALTERNATING CURRENT
IMAGING DEVICE
CABLE SEARCHING METHOD AND CABLE SEARCHING APPARATUS
CABLE HOUSING PIPE REPAIRING SYSTEM, METHOD THEREOF AND SEPARATING ROTATING TYPE TRACTION DEVICE IN THE REPAIRING SYSTEM
COOLING UNIT AND ELECTRONIC EQUIPMENT
LURE
DATA CENTER
PROTECTOR AND ITS MANUFACTURING METHOD
POWER SUPPLY CONTROL UNIT, IMAGE FORMING APPARATUS AND PROGRAM
POWER GENERATION CONTROL DEVICE
METHOD OF MANUFACTURING HEAT INSULATING DOUBLE STRUCTURE, AND THE HEAT INSULATING DOUBLE STRUCTURE
COLLISION FORECASTING DEVICE
DEVICE FOR MEASURING AMOUNT OF ROLL THRUST OF ROLLING MILL
VIRAL HEPATITIS TREATMENT
THERMOPLASTIC RESIN BELT AND METHOD FOR PRODUCING THE SAME
WATER TREATMENT DEVICE AND WATER TREATMENT METHOD
