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 automatic or semi-automatic telephone systems
摘要
申请公布号
GB408286(A)
申请公布日期
1934.04.06
申请号
GB19320027754
申请日期
1932.10.06
申请人
STANDARD TELEPHONES AND CABLES, LIMITED;GEORGE CLIFFORD HARTLEY;MAURICE SAXON SNELL
发明人
分类号
D01C1/04;H04Q3/42
主分类号
D01C1/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Adenovirus Infection In Animals
PROCESS FOR PREPARING AQUEOUS DISPERSIONS CONTAINING HIGH CONCENTRATION OF NANO/SUBMICRON, HYDROPHOBIC, FUNCTIONAL COMPOUNDS
ORAL COMPOSITIONS CONTAINING EXTRACTS OF ZINGIBER OFFICINALE AND RELATED METHODS
HERBAL EXTRACTS AND FLAVOR SYSTEMS FOR ORAL PRODUCTS AND METHODS OF MAKING THE SAME
METHOD FOR LEACHING COBALT FROM OXIDISED COBALT ORES
APPARATUS FOR INSULATED ISOTHERMAL POLYMERASE CHAIN REACTION
PRODUCTION METHOD AND PRODUCTION DEVICE FOR A COMPOSITE METAL POWDER USING THE GAS SPRAYING METHOD
MILK PUMP DEVICE AND METHOD FOR DISPLACING AN AMOUNTOF MILK
QUICK RELEASE VEHICLE ACCESSORY CONNECTION SYSTEM
LONGITUDINALLY ADJUSTABLE ASSEMBLY FOR A BICYCLE SEAT
OPTICAL FIBER UNIT
Modulation of Audio Signals in a Parametric Speaker
INCORPORATING DATA INTO AN ECDSA SIGNATURE COMPONENT
HANDSET UNIT AND TELEPHONE DEVICE
System and Method for Delivering Advertising to Packet-Based Telephones
RECEIVER
SYSTEMS FOR COMMUNICATING USING MULTIPLE FREQUENCY BANDS IN A WIRELESS NETWORK
Method and Apparatus for Communicating Protocol Data Unit in Radio Access Network
ROUTE SELECTING DEVICE AND MOBILE RADIO COMMUNICATION SYSTEM
SEMICONDUCTOR MEMORY HAVING STAGGERED SENSE AMPLIFIERS ASSOCIATED WITH A LOCAL COLUMN DECODER
