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发明名称
VALVOLA DI NON RITORNO PER LO SCARICO DELL'ACQUA DAI LOCALI SEMINTERRATI
摘要
申请公布号
ITAN20010057(A1)
申请公布日期
2003.06.06
申请号
IT2001AN00057
申请日期
2001.12.06
申请人
PETRELLI CESARE
发明人
PETRELLI CESARE
分类号
主分类号
代理机构
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