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
Övertonsgenerator
摘要
申请公布号
FI27610(A)
申请公布日期
1955.04.12
申请号
FID27610
申请日期
申请人
O/Y L.M.ERICSSON A/B
发明人
VAHER ILMAR VALFRIED
分类号
H03B19/00;(IPC1-7):H03B19/00
主分类号
H03B19/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Zipper for reclosable thermoplastic bag, process and apparatus for making.
Method for recovering zinc and mercury from used zinc cells or batteries.
Process for the recovery of silver from zinc leaching residues by flotation.
SHOE SOLE CONSTRUCTION.
REMOVAL OF SURFACE CONTAMINANTS BY IRRADIATION.
一种水电分离辐射加热淋浴器
Projection-type color display device.
METHOD AND APPARATUS FOR BATCHWISE BIOLOGICAL AND CHEMICAL PURIFICATION OF SOIL WATER.
METHOD OF INSOLUBILIZING HEAVY METALS CONTAINED IN FLY ASH DISCHARGED FROM GARBAGE INCINERATOR.
Intumescent sheet material.
Electrode assembly useful in confined plasma assisted chemical etching.
Keratinous fibers dyeing composition containing a para-aminophenol, a meta-aminophenol and a metaphenylendiamine.
Water filter comprising controllable filtering and backwashing elements.
LEAD ACCUMULATOR AND PROCESS FOR PREPARING THEREOF
Coding and decoding of digital data.
Ophthalmological diagnosis method.
Process for the production of magnesium oxide.
Wing root aerofoil for forward swept wings.
Device for controlling the enqueuing and dequeuing operations of messages in a memory.
Circuit arrangement for establishing conference connections in a digital time-multiplexed telephone exchange.
