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经营范围
发明名称
Self-cleaning rake
摘要
申请公布号
US2126719(A)
申请公布日期
1938.08.16
申请号
US19370174477
申请日期
1937.11.13
申请人
BEALL DON L
发明人
BEALL DON L.
分类号
A01D7/10
主分类号
A01D7/10
代理机构
代理人
主权项
地址
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