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
Improvements in or relating to telegraphic installations
摘要
申请公布号
GB349124(A)
申请公布日期
1931.05.18
申请号
GB19300005431
申请日期
1930.02.18
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04L12/00;H04M11/06
主分类号
H04L12/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ONNOFF CONTROL CIRCUIT WITH COMPARATOR
POWER TRANSDUCER
POWER TRANSDUCER
FLUID FLOW QWANTITY CONTROLLING SYSTEM
FILTERING DEVICE FOR OIL BASIN
EXHAUST GAS PURIFYING EQUIPMENT FOR AUTOMOTIVE INTERNAL COMBUSTION ENGINE
PROCESS FOR MANUFACTURING PARTICLEBOARD
HOTTMELT COMPOSITIONS
METHOD OF PRODUCING MOLDINGS
CONDUCTIVE COMPOSITIONS
PROCESS FOR PRODUCING GASEOUS PRODUCTS RICH IN CARBON MONOXIDE AND HYDROGEN
DEVICE FOR CLEANING ASCENSION PIPE IN COKE OVEN
CATION EXCHANGE MEMBRANE AND PRODUCTION OF THE SAME
PHOSPHOR COPPER BRAZING FILLER AND METHOD OF PRODUCING SAME
METHOD OF WELDING TOGETHER TUBES AND FLANGES
AUTOMATIC TICKET VENDING MACHINE
MEASURING DEVICE
ELECTROSTATIC PRINTING DEVICE
ELECTROSTATIC CHARGE IMAGE DEVELOPER
LOUDSPEAKER
