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公开(公告)号：US2024596A
公开(公告)日：1935-12-17
申请号：US64150632
申请日：1932-11-07
Applicant: SPECIALTY ENGINEERING COMPANY
Inventor： PFEIFFER CHARLES G , OGDEN JOHN G
IPC: B60P3/055
CPC classification number: B60P3/055
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