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公开(公告)号：US3202358A
公开(公告)日：1965-08-24
申请号：US12671461
申请日：1961-07-25
Applicant: GRISWOLD ARTHUR W
Inventor： GRISWOLD ARTHUR W
IPC: B60B39/12
CPC classification number: B60B39/12 , Y10T428/2438
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