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
Sparschaltung fuer Niederfrequenzverstaerker mit Lautstaerkeregelung
摘要
申请公布号
DE707323(C)
申请公布日期
1941.06.19
申请号
DE1937N041410D
申请日期
1937.12.07
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
BOUMAN IR. JOHANNES AUGUSTINUS JOSEPHUS;CALRK ROBERT GEORGE
分类号
H03F1/04;H03G3/06
主分类号
H03F1/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROCESS FOR TREATING DRAIN WATER BIOCHEMICALLY
APPARATUS FOR REMOTE OPERATING TENSION BAR JOINT FOR PRESTRESSED CONCRETE FRAME WORK
TUNGSTENNBROMINE CYCLE ELECTRIC LAMP
IMPROVED CUTTING BLADE
REINFORCEMENT ARRANGING METHOD OF REINFORCEMENT FOR REINFORCED CONCRETE CLOTH FOUNDATION
LIQUID FUEL COMBUSTION SYSTEM
BUS BAR DEVICE
DRIVING DEVICE
MANUFACTURING METHOD FOR RIBBONNSHAPED WIRE
PROTECTING DEVICE OF NEUTRAL CONDUCTOR GROUNDING DETECTION
FIXING DEVICE FOR BEARING OF ROTARY ELECTRIC MACHINE
METHOD FOR CONTINUOUS PRODUCTION OF SIC
PROCESS FOR MANUFACTURING SINTERED NUT FROM MELTALLIC POWDER
SOLAR COLLECTOR
PREPARATION CATALYTIQUE D'ACRYLONITRILE,
WERKWIJZE TER BEREIDING VAN EEN VLEESACHTIG DROOG VOEDER VOOR HUISDIEREN.
WERKWIJZE VOOR DE BEREIDING VAN EEN POEDERVOR- MIGE OF GRANULAATVORMIGE NIET VLOKKENDE MINE- RALE SAMENSTELLING.
SOLDER REMOVING DEVICE
TIG WELDING MACHINE USED IN A*C* AND D*C*
PRODUCTION OF LOW CARBON SILICOMANGAN NITRID
