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公开(公告)号：US1914133A
公开(公告)日：1933-06-13
申请号：US51525231
申请日：1931-02-12
Applicant: ROCKGAS PRODUCTS COMPANY
Inventor： KERR CHESTER L
CPC classification number: F24C1/02 , F24C5/14 , Y10T137/2567 , Y10T137/87692
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