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公开(公告)号:US2563949A
公开(公告)日:1951-08-14
申请号:US69706646
申请日:1946-09-14
Applicant: MAGNUSON ROY M
Inventor: MAGNUSON ROY M
CPC classification number: F04B53/164 , F04B1/02 , F04B9/02 , F04B15/02 , F04B53/00 , F04B53/1025
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公开(公告)号:US2563938A
公开(公告)日:1951-08-14
申请号:US60371545
申请日:1945-07-07
Applicant: GEORGE H BALLANTYNE , MAGNUSON ROY M
Inventor: KIRK CASSIUS L
CPC classification number: A23L3/362 , F25D13/06 , F25D2400/30
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