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发明名称
Land leveler
摘要
申请公布号
US1954282(A)
申请公布日期
1934.04.10
申请号
US19320628356
申请日期
1932.08.11
申请人
NATIONAL TANK & MANUFACTURING CO.
发明人
CAHALL WILLIAM H.
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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