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发明名称
Concrete form cleaning machine
摘要
申请公布号
US2835909(A)
申请公布日期
1958.05.27
申请号
US19570682835
申请日期
1957.09.09
申请人
CARLSTROM SUMNER E
发明人
CARLSTROM SUMNER E.
分类号
E04G19/00
主分类号
E04G19/00
代理机构
代理人
主权项
地址
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