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发明名称
Device to retain moisture in land
摘要
申请公布号
US1862550(A)
申请公布日期
1932.06.14
申请号
US19310514585
申请日期
1931.02.09
申请人
BAZIL RECTOR ORLAND
发明人
RECTOR ORLAND BAZIL
分类号
A01B25/00
主分类号
A01B25/00
代理机构
代理人
主权项
地址
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