Method and Apparatus for Protection of the Hearing of Telephone Users,申请号AU20070200489-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	Method and Apparatus for Protection of the Hearing of Telephone Users
摘要
申请公布号	AU2007200489(B2)	申请公布日期	2007.12.20
申请号	AU20070200489	申请日期	2007.02.02
申请人	DIETMAR RUWISCH	发明人	DIETMAR RUWISCH
分类号	G10K11/16;H04M1/19;H04R3/00;H04R9/10;H04R11/06	主分类号	G10K11/16
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Method and apparatus for forming metal closures

Apparatus for welding tubing

Method of making expanded metal products

Bottle dispensing closure

Method of making fiber-rubber products

Explosive composition

Process of preparing resinous compositions

Method of making lead zirconium silicate

Automatic firearm

VULCANIZING MACHINE

BRANCH CHAIN OCTYL SULPHATE

An improved means for storing and sterilising the instruments, apparatus, and utensils required for service in an operating theatre

PHOTOGRAPHIC THREE-COLOUR PRINTING PROCESS

COLOUR SOUND FILM