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经营范围
发明名称
SMOKE DETECTOR
摘要
申请公布号
GB8310540(D0)
申请公布日期
1983.05.25
申请号
GB19830010540
申请日期
1983.04.19
申请人
EMI LTD
发明人
分类号
G01N27/62;(IPC1-7):G01N27/62
主分类号
G01N27/62
代理机构
代理人
主权项
地址
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