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经营范围
发明名称
NOISE SUPPRESSOR
摘要
申请公布号
PL135282(B2)
申请公布日期
1985.10.31
申请号
PL19830241414
申请日期
1983.04.07
申请人
发明人
分类号
F01N1/08;(IPC1-7):F01N1/08
主分类号
F01N1/08
代理机构
代理人
主权项
地址
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