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发明名称
Cement applicator and spreader
摘要
申请公布号
US2864108(A)
申请公布日期
1958.12.16
申请号
US19570692425
申请日期
1957.10.25
申请人
JOHN JOHNSON
发明人
JOHNSON JOHN
分类号
E04F21/06
主分类号
E04F21/06
代理机构
代理人
主权项
地址
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