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发明名称
Verfahren zur Haertebestimmung durch Ritzen oder Rillen des zu pruefenden Koerpers
摘要
申请公布号
DE522426(C)
申请公布日期
1931.04.09
申请号
DE1926SC78920D
申请日期
1926.05.12
申请人
FIRMA LOUIS SCHOPPER
发明人
分类号
G01N3/46
主分类号
G01N3/46
代理机构
代理人
主权项
地址
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