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经营范围
发明名称
Self-cleaning rake
摘要
申请公布号
US2713763(A)
申请公布日期
1955.07.26
申请号
US19540407208
申请日期
1954.02.01
申请人
HEALEY HOLMAN HELVIE;WILSON CHATHAM WOODROW
发明人
HOLMAN HELVIE HEALEY;CHATHAM WOODROW WILSON
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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