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发明名称
Concrete surfacing machine
摘要
申请公布号
US2654298(A)
申请公布日期
1953.10.06
申请号
US19490092647
申请日期
1949.05.11
申请人
KALMAN FLOOR COMPANY, INCORPORATED
发明人
YTTERBERG CARL FREDERICK
分类号
E04F21/24
主分类号
E04F21/24
代理机构
代理人
主权项
地址
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