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发明名称
GAS VOLUME SENSOR ALARM
摘要
申请公布号
KR900000623(Y1)
申请公布日期
1990.01.30
申请号
KR19870021437U
申请日期
1987.12.04
申请人
RYU BUM-SIK
发明人
RYU BUM-SIK
分类号
G01G3/02;(IPC1-7):G01G3/02
主分类号
G01G3/02
代理机构
代理人
主权项
地址
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