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1.发明授权Rotary-head bark-remover having pivotable knife-carrying arms operable by centrifugal force 失效旋转头皮去除器具有通过离心力可操作的可枢转的刀支撑臂
公开(公告)号：US2718910A
公开(公告)日：1955-09-27
申请号：US31811652
申请日：1952-10-31
Applicant: ST CLAIR HAROLD V
Inventor： ST CLAIR HAROLD V
IPC: B27L1/05
CPC classification number: B27L1/08
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