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公开(公告)号：US3481276A
公开(公告)日：1969-12-02
申请号：US3481276D
申请日：1967-11-27
Applicant: ABEX CORP
Inventor： ADAMS CECIL E , GRIFFITH RANDALL E , MILLER CHARLES R , WILCOX JACK W
CPC classification number: F04C2/3446
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