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经营范围
发明名称
High acoustic absorbency silencer, particularly for motor vehicle engines.
摘要
申请公布号
IT1237614(B)
申请公布日期
1993.06.08
申请号
IT19890068087
申请日期
1989.12.12
申请人
发明人
分类号
F01N;(IPC1-7):F01N
主分类号
F01N
代理机构
代理人
主权项
地址
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