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公开(公告)号：US2361735A
公开(公告)日：1944-10-31
申请号：US46677442
申请日：1942-11-24
Applicant: BECKWITH MFG CO
Inventor： BECKWITH EDWIN L , MACLVER CHARLES P
IPC: F41B13/04
CPC classification number: F41B13/04
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