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 fuer Fernsprechanlagen
摘要
申请公布号
DE575604(C)
申请公布日期
1933.04.29
申请号
DE1931T038916D
申请日期
1931.05.28
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
POSTUPAK ZA DOBIJANJE NOVIH SOJEVA S. AVERMITILIS
Hreinsari fyrir hörpudisk
RARE-EARTH METAL NICKEL HYDROGEN OCCLUSIVE ALLOY INGOT AND METHOD FOR PRODUCTION THEREOF
PHASE-METER
POWER FAILURE SENSING CIRCUIT FOR RANGE
DENTAL TECHNICAL ARTICULATOR OF SPECIAL PRECISION
System og fremgangsmåte for tvungen, resonant avmagnetisering
Holder for installasjonsutsyr
BRIQUETTE FOR PRODUCTION OF CAST IRON AND STEEL
METHOD OF AND DEVICE FOR BREAKING WORN-OUT TYRES
METHOD OF CONTINUOUS FLOW-LINE PRODUCTION TO FORM MULTILAYER PACKING FILM
METHOD FOR PLAYING GAME OR RUNNING LOTTERY AND AUTOMATIC GAME MACHINE WHICH IMPLEMENTS SAID METHOD
MEDICAL DUMMY-TRAINER
GLASS
METHOD FOR BULK MODIFICATION OF POLYMER MATERIALS
PROCESS FOR PRODUCING CEMENT CLINKER
METHOD FOR INFORMATION CONVERSION AND MNEMONIC CIRCUIT TRAINER
ROTARY MACHINE
METHOD TO PRODUCE BLANKS FOR ENAMELLING
PROCESS FOR IMPROVING RESISTANCE OF ORGANISM TO HYDROROGEN SULFIDE CONTAINING GAS
