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公开(公告)号：US1722216A
公开(公告)日：1929-07-23
申请号：US26487228
申请日：1928-03-26
Applicant: EDWARD HODGSON ALBERT , CLARKE JONES NORMAN
Inventor： EDWARD HODGSON ALBERT , CLARKE JONES NORMAN
CPC classification number: F02F1/365 , F02B43/00 , F02B2710/026 , Y02T10/125 , Y02T10/32
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