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发明名称
LOUDSPEAKER APPARATUS
摘要
申请公布号
GB1363759(A)
申请公布日期
1974.08.14
申请号
GB19710051510
申请日期
1971.11.05
申请人
FASER-UND-KUNSTSTOFF-PRESSWERKE ROMEN KG
发明人
分类号
H04R1/28;H04R7/12;(IPC1-7):H04R7/02
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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