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发明名称
Vorrichtung zum Schleifen und Polieren von Facetten an Edelsteinen
摘要
申请公布号
DE849968(C)
申请公布日期
1952.09.18
申请号
DE1950C002534
申请日期
1950.09.24
申请人
DIPL.-KFM. ERNST CREMER
发明人
分类号
B24B9/16
主分类号
B24B9/16
代理机构
代理人
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地址
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