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发明名称
DIFFUSORE ACUSTICO PER IMPIANTI HI-FI CON NETTO MIGLIORAMENTO DELSUONO EMESSO DALL'ALTOPARLANTE PER LE ALTE FREQUENZE GRAZIE AL
摘要
申请公布号
IT1306534(B1)
申请公布日期
2001.06.11
申请号
IT1998RO00003
申请日期
1998.08.11
申请人
ZANINELLO ALDO MARIO
发明人
ZANINELLO ALDO MARIO
分类号
H04R
主分类号
H04R
代理机构
代理人
主权项
地址
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