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公开(公告)号：US2908737A
公开(公告)日：1959-10-13
申请号：US63908057
申请日：1957-02-08
Applicant: DE DOMINICIS GIOVANNI
Inventor： DE DOMINICIS GIOVANNI
CPC classification number: F27D17/003 , F27B3/10 , F27B7/32 , F27D11/08 , F27D17/00
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