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公开(公告)号：US3120255A
公开(公告)日：1964-02-04
申请号：US6665960
申请日：1960-11-01
Applicant: WILLIAM COPPOLA PELLEGRINO
Inventor： WILLIAM COPPOLA PELLEGRINO
IPC: B60C11/16
CPC classification number: B60C11/1606 , Y10T152/10279
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