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
Schaltungsanordnung in Fernmeldeämtern.
摘要
申请公布号
CH232245(A)
申请公布日期
1944.05.15
申请号
CHD232245
申请日期
1939.01.23
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
分类号
C11C1/00;H04M15/38
主分类号
C11C1/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Aircraft and fuel venting system therefor
Independent single end servo scroll pattern attachment for tufting machine and computerised design system
ELECTRONIC DEVICE WITH ROTATABLE KEYPAD AND DISPLAY
SUCTION DEVICE FOR VACUUM CLEANER
Multi-well plate fabrication
Semiconductor laser device having InGaAs compressive-strain active layer, GaAsP tensile-strain barrier layers and InGaP optical waveguide layers
Optical component measurement apparatus and method of testing optical component
Simplified configuration of an internet-enabled device
Methods and apparatus for dynamically estimating the location on an oil-water iterface in a petroleum reservoir
Method for routing electronic correspondence based on the level and type of emotion contained therein
DRIVING APPARATUS OF PANEL
UNINTERRUPTIBLE POWER SUPPLY FOR ELEVATOR
ALARM PROCESSING METHOD IN ACCESS GATEWAY SYSTEM
CHUCK FOR ELECTRONIC BEAM WELDING
SEAT STRUCTURE OF BUS
LIGHT EMITTING DEVICE FOR STABILIZING WAVELENGTH
ROCKET ENGINE
IDC PATCH CORD HAVING CROSSTALKING ERASER
PACKAGING METHOD OF SENSOR DEVICE AND STRUCTURE THEREOF
WAX COATING APPARATUS FOR SILICON WAFER
