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发明名称
FOLDABLE DRAG HARROW DRAWBAR
摘要
申请公布号
CA547290(A)
申请公布日期
1957.10.08
申请号
CAD547290
申请日期
申请人
MALMGREN IMPLEMENT MFG. CO. (MAN.) LTD.
发明人
HARVEY R. MALMGREN
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