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公开(公告)号:US3376808A
公开(公告)日:1968-04-09
申请号:US58881566
申请日:1966-10-24
Applicant: BECKETT HARCUM COMPANY
Inventor: BECKETT DONALD E , BECKETT ROBIN K
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公开(公告)号:US3326236A
公开(公告)日:1967-06-20
申请号:US37770164
申请日:1964-06-24
Applicant: BECKETT HARCUM COMPANY
Inventor: BECKETT DONALD E , BECKETT WILLIAM N
CPC classification number: F16K31/0613 , F15B11/15 , F15B13/0402 , F16K31/426 , Y10T137/86413
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公开(公告)号:US3298747A
公开(公告)日:1967-01-17
申请号:US45486665
申请日:1965-05-11
Applicant: BECKETT HARCUM COMPANY
Inventor: BECKETT DONALD E , BECKETT ROBIN K
IPC: B65G53/42
CPC classification number: B65G53/42
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公开(公告)号:US3228728A
公开(公告)日:1966-01-11
申请号:US29165263
申请日:1963-07-01
Applicant: BECKETT HARCUM COMPANY
Inventor: BECKETT DONALD E , BECKETT ROBIN K
IPC: B65G53/24
CPC classification number: B65G53/24
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