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发明名称
摘要
申请公布号
NL6711488(A)
申请公布日期
1968.02.26
申请号
NL19670011488
申请日期
1967.08.21
申请人
发明人
分类号
G01N21/29;G01N21/85;G01N31/22;G01N33/12
主分类号
G01N21/29
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代理人
主权项
地址
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