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经营范围
发明名称
Stereophonic background music and public address system
摘要
申请公布号
US3005873(A)
申请公布日期
1961.10.24
申请号
US19600005701
申请日期
1960.02.01
申请人
THE WURLITZER COMPANY
发明人
JANOWSKY RALPH H.
分类号
G11B31/00;H04R27/00;H04S1/00
主分类号
G11B31/00
代理机构
代理人
主权项
地址
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