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公开(公告)号：US2263500A
公开(公告)日：1941-11-18
申请号：US38034641
申请日：1941-02-24
Applicant: THERMOID COMPANY
Inventor： RUSSELL HUTCHINSON , OGREN CARL F , DURAGE ARTHUR H
IPC: B23P15/18
CPC classification number: B23P15/18
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