发明名称 A POLISHING MILL FOR POLISHING GEMSTONES
摘要 <p>The present invention provides a polishing mill comprising a spindle having a scaife for polishing gemstones and a motor having a hollow shaft wherein said spindle passes through or in the said hollow shaft coaxially.</p>
申请公布号 WO2009066312(A1) 申请公布日期 2009.05.28
申请号 WO2008IN00461 申请日期 2008.07.17
申请人 MISTRY, JANAK 发明人 MISTRY, JANAK
分类号 B24B47/00;B24B27/00;B24B47/10 主分类号 B24B47/00
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