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公开(公告)号：US2780414A
公开(公告)日：1957-02-05
申请号：US39389853
申请日：1953-11-23
Applicant: STAMICARBON
Inventor： DE HEER HENRI J
CPC classification number: F23N1/00 , C10B21/10 , Y10T137/2514
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