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公开(公告)号:US2725992A
公开(公告)日:1955-12-06
申请号:US17850950
申请日:1950-08-09
Applicant: DIAMOND MATCH CO
Inventor: ROGER WELLS
IPC: B65G57/16
CPC classification number: B65G57/165 , Y10S414/115
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公开(公告)号:US2625329A
公开(公告)日:1953-01-13
申请号:US20422951
申请日:1951-01-03
Applicant: DIAMOND MATCH CO
Inventor: ROGER WELLS
CPC classification number: B65G57/03 , G06M1/08 , G06M7/04 , Y10S414/115
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