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
Montage pour amplifier et mélanger deux signaux à basse fréquence
摘要
申请公布号
FR937945(A)
申请公布日期
1948.08.31
申请号
FRD937945
申请日期
1946.09.05
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/28;H03F3/32;H04R3/00
主分类号
H03F3/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHODS AND APPARATUSES FOR OPERATING A PORTABLE DEVICE BASED ON AN ACCELEROMETER
BAG HOUSE FILTERS AND MEDIA
MATERIAL FOR PROTECTING COMBINED-WATERPROOFING LAYER, PRODUING AND INSTALLING METHOD THEREOF
POSTAL PACKAGE DELIVERY SYSTEM
METHOD OF CONTROLLING WASHING MACHINE
MEDIA CARTRIDGE OF PRINTER
SNOOP FILTERING MECHANISM
TOUCH SENSING APPARATUS AND TOUCHSCREEN APPARATUS
Hill start assistance method and associated device
FULL COLOR HOLOGRAPHIC OPTICAL ELEMENT AND METHOD FOR FABRICATING THE SAME USING PHOTOPOLYMER, WAVEGUIDE-TYPE HEAD MOUNTED DISPLAY
Applications using virtual phone number smartphone video advertising apparatus and method
COORDINATED SILENT PERIOD WITH SOUNDING REFERENCE SIGNAL (SRS) CONFIGURATION
ASSEMBLING APPARATUS FOR BUSH OF AUTOMOBILE
SYSTEM AND METHOD TO PROVIDE AN EMERGENCY SERVICE IN A COMMUNICATION SYSTEM
Affected area imitating system by breathing
Nickel Coated Nano Carbon-Aluminum Composite Casting Material and the manufacturing method for the same
Video downloading system for mobile terminal and method thereof
SYSTEME VIBRATOIRE
MICROPARTICULES D'AGENT ACTIF
ASSEMBLAGE D'UNE LEVRE MINCE ALLONGEE DANS UNE FENTE ETROITE ALLONGEE ET APPLICATION A L'ASSEMBLAGE D'UN GUIDE-AIR SUR UNE BUSE
