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发明名称
摘要
申请公布号
DE2046520(A1)
申请公布日期
1972.03.23
申请号
DE19702046520
申请日期
1970.09.22
申请人
DRECHSLER G
发明人
分类号
G01N27/90;(IPC1-7):G01N27/86
主分类号
G01N27/90
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