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经营范围
发明名称
SHARPENING STONE
摘要
申请公布号
CA9788(S)
申请公布日期
1932.10.21
申请号
CANDAT0009788F
申请日期
申请人
THE CARBORUNDUM COMPANY
发明人
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主分类号
代理机构
代理人
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