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发明名称
Testing greaseproof paper
摘要
申请公布号
US2297990(A)
申请公布日期
1942.10.06
申请号
US19420426710
申请日期
1942.01.14
申请人
THILMANY PULP & PAPER COMPANY
发明人
SCHMITT MILTON G.;DOWNS MARTIN L.
分类号
G01N33/34
主分类号
G01N33/34
代理机构
代理人
主权项
地址
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