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发明名称
PROXIMITY SENSOR
摘要
申请公布号
GB9005972(D0)
申请公布日期
1990.05.23
申请号
GB19900005972
申请日期
1990.03.14
申请人
SIMPSON, ROLAND B
发明人
分类号
G08B13/26;G08B29/18
主分类号
G08B13/26
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