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经营范围
发明名称
Rake cleaner
摘要
申请公布号
US2470863(A)
申请公布日期
1949.05.24
申请号
US19480035557
申请日期
1948.06.28
申请人
PRINGLE GLENN D
发明人
PRINGLE GLENN D.
分类号
A01G1/12
主分类号
A01G1/12
代理机构
代理人
主权项
地址
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