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经营范围
发明名称
Vorrichtung zur Bestimmung des Reibungskoeffizienten von Fluessigkeiten, insbesondere von Schmieroelen
摘要
申请公布号
DE517211(C)
申请公布日期
1931.02.04
申请号
DE1928Y000552D
申请日期
1928.07.03
申请人
YACCO S. A. F.
发明人
分类号
G01N11/14
主分类号
G01N11/14
代理机构
代理人
主权项
地址
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