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
Metering system for telephony
摘要
申请公布号
US2596308(A)
申请公布日期
1952.05.13
申请号
US19490087751
申请日期
1949.04.15
申请人
TELEFON FABRIK AUTOMATIC A/S
发明人
UNGAR ERNEST
分类号
H04M3/12;H04M15/10
主分类号
H04M3/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
RACK TRANSPORTATION DEVICE
ROTATING ELECTRIC MACHINE WINDING TEMPERATURE ESTIMATION DEVICE AND ROTATING ELECTRIC MACHINE WINDING TEMPERATURE ESTIMATION METHOD
SLIDING COMPONENT
BONDING DEVICE, BONDING METHOD, PRODUCTION SYSTEM FOR OPTICAL DISPLAY DEVICE, AND PRODUCTION METHOD FOR OPTICAL DISPLAY DEVICE
ARTIFICIAL KNEE JOINT
DEVICE AND METHOD FOR INSPECTING CYLINDRICAL MEMBER
METALLIC CAP AND MANUFACTURING METHOD THEREFOR
PRINTER
METHOD FOR MANUFACTURING RARE EARTH MAGNETIC MOLD
MULTI-FEEDER AND METHOD FOR OPERATING SAME
DISPLAY DEVICE AND DISPLAY METHOD
WORKING VEHICLE
METHOD FOR MANUFACTURING PANT-TYPE DISPOSABLE DIAPER, AND PANT-TYPE DISPOSABLE DIAPER
STATOR OF ELECTRIC MOTOR AND COOLING STRUCTURE FOR DYNAMO-ELECTRIC MACHINE
RUBBER COMPOSITION FOR TIRE SIDEWALL
BRIQUETTE MACHINE
PLAYBACK DEVICE, PLAYBACK METHOD, PROGRAM, AND RECORDING MEDIUM
DEVICE AND METHOD FOR MANAGING MEDICATION HISTORY INFORMATION, TERMINAL DEVICE AND METHOD FOR REGISTRATION, AND PROGRAM
多色花纹辊涂彩钢板的生产线
METHOD FOR EXTRACTING SILK EXTRACT CONTAINING LUTEIN
