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发明名称
IMPROVEMENTS IN ATTENUATORS
摘要
申请公布号
AU6876191(A)
申请公布日期
1992.06.25
申请号
AU19910068761
申请日期
1990.11.21
申请人
SOUND ATTENUATORS LIMITED
发明人
ALAN TREVOR FRY
分类号
F01N1/10;F01N1/24;G10K11/16;(IPC1-7):G10K11/16
主分类号
F01N1/10
代理机构
代理人
主权项
地址
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