Kohlemikrofon, bei welchem das Widerstandsmaterial in einem von der Membran frei getragenen Behaelter untergebracht ist,申请号DE1937S130050D-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	Kohlemikrofon, bei welchem das Widerstandsmaterial in einem von der Membran frei getragenen Behaelter untergebracht ist
摘要
申请公布号	DE756614(C)	申请公布日期	1952.10.13
申请号	DE1937S130050D	申请日期	1937.12.19
申请人	SELL HELMUT DR.	发明人	SELL HELMUT DR.
分类号	H04R21/02	主分类号	H04R21/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Hose reel mounting kit

Acoustic load mitigator

Vibration preventing intercooler pipe

Invisible seam laminated article and process of manufacture

Continuously variable transmission

Drive coupling for high-speed rotating brush

Blind rivet arrangement

Pump device and pump system

Ignition method for an internal combustion engine and an ignition device operated accordingly

Reinforced end cap assembly for pressure vessel

Fuel injection nozzle and method of manufacturing the same

Apparatus for suppressing fuel evaporative gas emission

Control unit for internal combustion engine

Methods and systems for estimating exhaust pressure with a variable voltage oxygen sensor

Portable hydrogen supplemental system and method for lowering particulate matter and other emissions in diesel engines at idle

Control of emissions

Multi-position camshaft phaser with two one-way wedge clutches

Turbine blade mid-span shroud assembly