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经营范围
发明名称
AN OPTICAL SENSOR
摘要
申请公布号
GB9020965(D0)
申请公布日期
1990.11.07
申请号
GB19900020965
申请日期
1990.09.26
申请人
GEC-MARCONI LIMITED
发明人
分类号
G01N21/21;G01N21/27;G01N21/41;G01N21/43;G01N21/55;G01N33/543
主分类号
G01N21/21
代理机构
代理人
主权项
地址
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