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发明名称
CONGEGNO ELETTROACUSTICO PER LA RIDUZIONE DEL RUMORE NEI CONDOTTI DELL'ARIA
摘要
申请公布号
ITPG970020(A1)
申请公布日期
1997.11.06
申请号
IT1997PG00020
申请日期
1997.08.08
申请人
ETA INGEGNERIA ENERGIA TERRITORIO A MBIENTE
发明人
ROSSI FEDERICO;ASDRUBALI FRANCESCO;BURATTI CINZIA
分类号
G10K
主分类号
G10K
代理机构
代理人
主权项
地址
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