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经营范围
发明名称
SILENCER
摘要
申请公布号
GB8711767(D0)
申请公布日期
1987.06.24
申请号
GB19870011767
申请日期
1987.05.19
申请人
BRITISH GAS PLC
发明人
分类号
G10K11/178
主分类号
G10K11/178
代理机构
代理人
主权项
地址
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