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发明名称
Apparatus for smoothing the surfaces of articles
摘要
申请公布号
US2809473(A)
申请公布日期
1957.10.15
申请号
US19550488227
申请日期
1955.02.15
申请人
CONCRETE GRINDING CORPORATION
发明人
HEAPHY WILLIAM G.
分类号
B24B31/027
主分类号
B24B31/027
代理机构
代理人
主权项
地址
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