Automatic selective sound reproducing machine,申请号US19300486034-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	Automatic selective sound reproducing machine
摘要
申请公布号	US1915848(A)	申请公布日期	1933.06.27
申请号	US19300486034	申请日期	1930.10.02
申请人	GEORGE BRENNER JOHN;WILLIAM BRENNER BERNARD	发明人	BRENNER JOHN GEORGE;BRENNER BERNARD WILLIAM
分类号	G11B17/24	主分类号	G11B17/24
代理机构		代理人
主权项
地址

您可能感兴趣的专利

灯头座可自由伸缩大范围调整照射角度的嵌入式灯具

旁承座吊具

COATING MATERIAL HAVING A CATALYTIC ACTIVITY AND USE OF SAID COATING MATERIAL

COMPOUND FOR PHOTORESIST, PHOTORESIST SOLUTION, AND ETCHING METHOD USING THE PHOTORESIST SOLUTION

一种三通加热器

GBF型系列衬氟管道泵

ESOPHAGEAL VALVE

Processing program data for medical pumps

STRUCTURED CUTTING

一种LED光源

SUBSTRATE FOR SOLAR CELL AND OXIDE SEMICONDUCTOR ELECTRODE FOR DYE-SENSITIZED SOLAR CELL

CONDUCTING FILM OR ELECTRODE WITH IMPROVED OPTICAL AND ELECTRICAL PERFORMANCE

GAS TURBINE ENGINE AND INTEGRATED HEAT EXCHANGE SYSTEM

无能耗非机动车车载可变换内容广告牌

METHODS AND TOOLS FOR DISCRIMINATING COLORECTAL ADENOMAS AND ADENOCARCINOMAS

SEMICONDUCTOR DEVICE

Dynamic power-train control

FIXING SYSTEM FOR FIXING COVERING MATERIAL