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发明名称
摘要
申请公布号
DE2147096(A1)
申请公布日期
1972.04.20
申请号
DE19712147096
申请日期
1971.09.21
申请人
CONRAIL AB
发明人
分类号
G01G3/14;G01G19/04;(IPC1-7):G01G19/02
主分类号
G01G3/14
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