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发明名称
Gauge for rakes
摘要
申请公布号
US1789980(A)
申请公布日期
1931.01.27
申请号
US19290393022
申请日期
1929.09.16
申请人
SCHUYLER JONES
发明人
JONES SCHUYLER
分类号
A01D7/02
主分类号
A01D7/02
代理机构
代理人
主权项
地址
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