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发明名称
摘要
申请公布号
NL6809482(A)
申请公布日期
1969.01.07
申请号
NL19680009482
申请日期
1968.07.04
申请人
发明人
分类号
G01L5/20;(IPC1-7):G01M/;G01B/
主分类号
G01L5/20
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代理人
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地址
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