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公开(公告)号：US2769233A
公开(公告)日：1956-11-06
申请号：US44932154
申请日：1954-08-12
Applicant: IVEY DUKE JEPTHA
Inventor： IVEY DUKE JEPTHA
IPC: B26B21/34
CPC classification number: B26B21/34
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