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经营范围
发明名称
Floor surfacing machine
摘要
申请公布号
US2323082(A)
申请公布日期
1943.06.29
申请号
US19410422445
申请日期
1941.12.10
申请人
BALLARD EDWIN L
发明人
BALLARD EDWIN L.
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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