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经营范围
发明名称
Ground leveler
摘要
申请公布号
US2814891(A)
申请公布日期
1957.12.03
申请号
US19540434503
申请日期
1954.06.04
申请人
PUCKETT LOUIS S
发明人
PUCKETT LOUIS S.
分类号
E02F3/60;E02F3/76
主分类号
E02F3/60
代理机构
代理人
主权项
地址
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