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公开(公告)号：US2563787A
公开(公告)日：1951-08-07
申请号：US76420147
申请日：1947-07-28
Applicant: ROBERT B ROMWEBER , RICHARD J ROMWEBER
Inventor： ARTHUR KEEFE
IPC: B60C15/024
CPC classification number: B60C15/024 , Y10S152/09 , Y10S152/16 , Y10T152/10828
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公开(公告)号：US2563788A
公开(公告)日：1951-08-07
申请号：US76717347
申请日：1947-08-07
Applicant: ROBERT B ROMWEBER , RICHARD J ROMWEBER
Inventor： ARTHUR KEEFE
IPC: B60C5/12
CPC classification number: B60C5/02 , B60C5/22 , Y10S152/09 , Y10T152/10603
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