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公开(公告)号：US2629234A
公开(公告)日：1953-02-24
申请号：US79036847
申请日：1947-12-08
Applicant: SERVEL INC
Inventor： MILLER CHARLES A , DREIER VICTOR G , WILLIAM GILCHRIST
IPC: F25B15/10
CPC classification number: F25B15/10 , Y02A30/277 , Y02B30/62
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