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公开(公告)号：US1916735A
公开(公告)日：1933-07-04
申请号：US27680228
申请日：1928-05-10
Applicant: HARLOW D GAINES
Inventor： GORDON MACLEAN , SISSON JR EDGAR G
CPC classification number: C10L1/188 , C10L1/1881 , C10L1/1885
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