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发明名称
Concrete surfacing machine
摘要
申请公布号
US2641169(A)
申请公布日期
1953.06.09
申请号
US19480039001
申请日期
1948.07.16
申请人
KALMAN FLOOR COMPANY, INCORPORATED
发明人
YTTERBERG CARL F.
分类号
E04F21/24;E04G21/06
主分类号
E04F21/24
代理机构
代理人
主权项
地址
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