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发明名称
DIFFUSORE ACUSTICO DEL TIPO BASS REFLEX
摘要
申请公布号
ITFI920024(U1)
申请公布日期
1993.08.27
申请号
IT1992FI00024U
申请日期
1992.02.26
申请人
GRADI ANDREA
发明人
GRADI ANDREA
分类号
G10G
主分类号
G10G
代理机构
代理人
主权项
地址
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