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发明名称
TRACTOR CRANE ATTACHMENT
摘要
申请公布号
CA438738(A)
申请公布日期
1946.12.24
申请号
CAD438738
申请日期
申请人
THE BUCKEYE TRACTION DITCHER COMPANY
发明人
MARTIN G. KUCH;WALTER C. PETERSEN;NORMAN G. LIVINGSTON;HERMAN H. HARTWIG
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