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发明名称
LEVEL MEASURING
摘要
申请公布号
GB1495463(A)
申请公布日期
1977.12.21
申请号
GB19750035932
申请日期
1975.09.01
申请人
HYER IND INC
发明人
分类号
G01F23/00;(IPC1-7):G01F23/00
主分类号
G01F23/00
代理机构
代理人
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