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发明名称
摘要
申请公布号
GB1301837(A)
申请公布日期
1973.01.04
申请号
GBD1301837
申请日期
1969.02.25
申请人
发明人
分类号
G01M13/00;G01N19/08;(IPC1-7):G01N3/30
主分类号
G01M13/00
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