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发明名称
SISTEMA DI DIFFUSIONE ACUSTICA A MODELLAMENTO DI CAMPO SONORO
摘要
申请公布号
ITVI20000240(A1)
申请公布日期
2001.02.01
申请号
IT2000VI00240
申请日期
2000.11.03
申请人
NICOLAO UMBERTO
发明人
NICOLAO UMBERTO
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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