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 and relating to electrical communication systems
摘要
申请公布号
GB511072(A)
申请公布日期
1939.08.14
申请号
GB19380005877
申请日期
1938.02.24
申请人
TELEPHONE MANUFACTURING COMPANY LIMITED;LESLIE HAROLD PADDLE
发明人
分类号
H04J1/00
主分类号
H04J1/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INTERNATIONAL DEALING DISPLAY METHOD OF OVERSEAS SECURITIES (STOCKS)
PORTABLE TRASH STORAGE BAG
METHOD FOR PROCESSING BROADCAST DATA IN MOBILE AD-HOC NETWORK
OPTICAL ARRANGEMENT FOR REFLECTANCE SPECTRUM OBSERVATION
METALLIC PROJECTION ON METALLIC MEMBER AND METHOD FOR FORMING THE SAME
ENCODER AND ENCODING METHOD
MANUFACTURING METHOD OF GATE ELECTRODE STRUCTURE
METHOD OF MANUFACTURING ELECTRON EMISSION ELEMENT AND MANUFACTURING METHOD OF DISPLAY APPARATUS
CONGESTION CONTROL METHOD
SECURITY GATE SYSTEM
ELECTRON EMISSION DEVICE, DRIVING DEVICE AND DISPLAY
METHOD AND DEVICE FOR CUTTING PROTECTIVE TAPE
ELECTRIC CONNECTOR
FLAT CABLE CONTACT, ELECTRIC CONNECTOR, AND FLAT CABLE WITH ELECTRIC CONNECTOR
LUBRICANT COMPOSITION
LIGHT IRRADIATION DEVICE, PROJECTION-TYPE DISPLAY APPARATUS, AND LIGHT IRRADIATION METHOD
PALLET AND PALLET CONTROL SYSTEM
INDUCTION HEATING COOKER
FIELD BUS SYSTEM
LEAD FRAME FOR BCC AND ITS MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE USING THE SAME
