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发明名称
A stone polishing device which adjusts a going up and coming down height of the polishing part which has the reduction device.
摘要
申请公布号
KR100924305(B1)
申请公布日期
2009.11.02
申请号
KR20070048138
申请日期
2007.05.17
申请人
发明人
分类号
B24B7/22;B24B7/06
主分类号
B24B7/22
代理机构
代理人
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