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公开(公告)号：US2639886A
公开(公告)日：1953-05-26
申请号：US19622650
申请日：1950-11-17
Applicant: THOMPSON PROD INC
Inventor： ARTHUR TOWNHILL , PHILIP HOLCOMBE WALLACE
CPC classification number: F16H41/28 , B22D19/00 , F04D29/326 , Y10S164/10 , Y10T29/4933
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