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公开(公告)号：US3018813A
公开(公告)日：1962-01-30
申请号：US71168158
申请日：1958-01-28
Applicant: FIRESTONE TIRE & RUBBER CO
Inventor： KOCH ROBERT C , WHIPPLE ROBERT P
IPC: B60C5/12
CPC classification number: B60C17/01 , Y10T152/10603
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公开(公告)号：US2560040A
公开(公告)日：1951-07-10
申请号：US7186149
申请日：1949-01-21
Applicant: FIRESTONE TIRE & RUBBER CO
Inventor： WHIPPLE ROBERT P
IPC: B29D30/52
CPC classification number: B29D30/52 , Y10T152/10882 , Y10T428/31833 , Y10T428/31837
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