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发明名称
Hilfsvorrichtung an Maschinen zum Bearbeiten, insonderheit Schleifen, von Diamanten
摘要
申请公布号
DE494993(C)
申请公布日期
1930.03.31
申请号
DE1927G071933D
申请日期
1927.12.10
申请人
SIEGFRIED GRANAAT;EVERT JOHAN GRATAMA;AALRIK HOOITE MEURSING
发明人
分类号
B24B55/12
主分类号
B24B55/12
代理机构
代理人
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