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公开(公告)号：US2902439A
公开(公告)日：1959-09-01
申请号：US74631858
申请日：1958-07-03
Applicant: ALUMINUM CO OF AMERICA
Inventor： MILZ WENDELL C , MCCLINTOCK WILLIAM M
IPC: C10M175/06
CPC classification number: C10G19/00 , C10M175/06
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