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发明名称
Floor-finishing machine
摘要
申请公布号
US1752133(A)
申请公布日期
1930.03.25
申请号
US19280309589
申请日期
1928.10.01
申请人
J. E. PICKARD
发明人
WOLGAMOOD HUGH M.
分类号
B24B7/18
主分类号
B24B7/18
代理机构
代理人
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地址
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