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
Apparatus for testing telephone calling dials
摘要
申请公布号
US2470002(A)
申请公布日期
1949.05.10
申请号
US19470752205
申请日期
1947.06.03
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
THIELKER HENRY J.
分类号
H04M1/24
主分类号
H04M1/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FIELD EFFECT TRANSISTOR
DATA COMMUNICATION SYSTEM
THERMAL HEAD DRIVING CIRCUIT FOR FACSIMILE APPARATUS
CROSSTALK ELIMINATING DEVICE FOR SECAM COLOR SIGNAL OF MAGNETIC RECORDER AND REPRODUCER
MANUFACTURE OF SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
SEMICONDUCTOR DEVICE
CONNECTING STRUCTURE OF TERMINAL PIN OF LITZ WIRE
STARTING DEVICE FOR MOTOR
STATOR CORE FOR ELECTRIC ROTARY MACHINE
RESOURCE DECENTRALIZED CONTROL SYSTEM
VIDEO SWITCHING CIRCUIT
STRIP LINE CIRCULATOR
SEMICONDUCTOR LASER INJECTION SYNCHRONOUS LIGHT AMPLIFIER
COIL OF ELECTRIC ROTARY MACHINE
WATER REMOVAL FROM FUEL OIL
Magnetic recording medium with resin rubber binder mixt. - for magnetic powder contg. polyurethane rubber with specified mol. wt. distribution
Angle marker sensor measuring crankshaft rotation angle - has housing fixed rotationally but able to slide axially
REIBMATERIAL UND DIESES ENTHALTENDES REIBELEMENT
CELLULOSAFRAMSTAELLNING MEDELST SULFITFOERFARANDE
SYNCHRONISATOR FUER EIN MOTORFAHRZEUGGETRIEBE
