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公开(公告)号：US2790696A
公开(公告)日：1957-04-30
申请号：US53680455
申请日：1955-09-27
Applicant: GEN MOTORS CORP
Inventor： SAUNDERS ORSON V , PETKWITZ CARL F
IPC: F25D25/02
CPC classification number: F25D25/02 , F25D2400/32
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公开(公告)号：US2668423A
公开(公告)日：1954-02-09
申请号：US29415152
申请日：1952-06-18
Applicant: GEN MOTORS CORP
Inventor： PETKWITZ CARL F
IPC: F25D25/02
CPC classification number: F25D25/024 , Y10S62/11
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