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公开(公告)号:US2749140A
公开(公告)日:1956-06-05
申请号:US40452354
申请日:1954-01-18
Applicant: HUGHES LUTHER J
Inventor: HUGHES LUTHER J
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公开(公告)号:US2615728A
公开(公告)日:1952-10-28
申请号:US25457651
申请日:1951-11-02
Applicant: HUGHES LUTHER J
Inventor: HUGHES LUTHER J
IPC: B60G5/02
CPC classification number: B60G5/02
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公开(公告)号:US2576460A
公开(公告)日:1951-11-27
申请号:US10994649
申请日:1949-08-12
Applicant: HUGHES LUTHER J
Inventor: HUGHES LUTHER J
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