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发明名称
Improved testing device for the detection and grading of positivity of various substances
摘要
申请公布号
PHUM5818(Z)
申请公布日期
1985.08.02
申请号
PHUM9025U
申请日期
1984.10.09
申请人
发明人
分类号
G01N33/48;(IPC1-7):G01N33/48;G01K43/00
主分类号
G01N33/48
代理机构
代理人
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