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公开(公告)号：US2527657A
公开(公告)日：1950-10-31
申请号：US71374846
申请日：1946-12-03
Applicant: STANDARD PRESSED STEEL CO
Inventor： GEORGE ROWLEDGE ERIC , WILSON KITSON JOSHUA
CPC classification number: F25B31/02 , F25B31/002 , Y10S417/902
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