Unabhaengiges,batterie- oder netzgespeistes Zusatzgeraet zu Telephonapparaten,insbesondere zur Herstellung einer Kommunikationsverbindung zwischen tauben Menschen,申请号DE19671537741-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Unabhaengiges,batterie- oder netzgespeistes Zusatzgeraet zu Telephonapparaten,insbesondere zur Herstellung einer Kommunikationsverbindung zwischen tauben Menschen
摘要
申请公布号	DE1537741(A1)	申请公布日期	1970.03.05
申请号	DE19671537741	申请日期	1967.12.28
申请人	WELLENSTEIN,HERMANN F.	发明人	F. WELLENSTEIN,HERMANN
分类号	H04M1/247	主分类号	H04M1/247
代理机构		代理人
主权项
地址

您可能感兴趣的专利

A FOLDING KNIFE

Process for the post treatment of dyed cellulose containing fibrous materials.

CONNECTOR FOR MACHINE TOOL SPINDLE AND TOOL HOLDER

METHOD AND DEVICE FOR COPYING PROFILE

Process for the preparation of lower alkyl esters of N-L-alpha-aspartyl-L-phenyl alanine, and intermediates for their manufacture.

IRON-BLUE PIGMENT, PROCESS FOR PREPARING IT AND ITS USE

Cleaning bodies intercepting lock.

A bridge type punch press.

Process for the electromagnetical casting of metals using at least one magnetical field differing from another bordering magnetical field.

Quenching bath, and process for quenching metals.

Process and apparatus for the production of castings, and castings produced by this process.

Electropneumatic device; delayed gas pulse generator.

Method of and apparatus for making disc brake pads and like products.

Matching and isolatung arrangement with ferrite circulator.

Thermally responsive record material.

Monitor for signal quality in a protective relay system.

Nystatin pastille formulation.

Magazine for fastener driving tool.

Heat recovery system for a dry cleaner drying and deodorizing circuit.

Azo dyestuffs, their preparation and their use.