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公开(公告)号:US2687142A
公开(公告)日:1954-08-24
申请号:US4956548
申请日:1948-09-16
Applicant: MAGLINE INC
Inventor: LAW DON C
IPC: F16K33/00
CPC classification number: F16K33/00
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公开(公告)号:US2659914A
公开(公告)日:1953-11-24
申请号:US17678850
申请日:1950-07-31
Applicant: MAGLINE INC
Inventor: LAW DON C
IPC: B65G69/28
CPC classification number: B65G69/30 , Y10T292/0902
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公开(公告)号:US3069709A
公开(公告)日:1962-12-25
申请号:US40411354
申请日:1954-01-14
Applicant: MAGLINE INC
Inventor: LAW DON C
IPC: B65G69/28
CPC classification number: B65G69/30
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