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经营范围
发明名称
Floor surfacer
摘要
申请公布号
US1877031(A)
申请公布日期
1932.09.13
申请号
US19290413343
申请日期
1929.12.11
申请人
OLSON CHARLES J
发明人
OLSON CHARLES J.
分类号
B24B7/18
主分类号
B24B7/18
代理机构
代理人
主权项
地址
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