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公开(公告)号：US2998135A
公开(公告)日：1961-08-29
申请号：US57473056
申请日：1956-03-29
Applicant: GEN ELECTRIC
Inventor： CHESTNUTT ROBERT E , CORMIA KEITH C
IPC: B07B13/00
CPC classification number: B07B13/003 , Y10S209/914 , Y10S209/934
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