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公开(公告)号:US3270794A
公开(公告)日:1966-09-06
申请号:US41851564
申请日:1964-12-15
Applicant: SKIDMORE FRANK O
Inventor: SKIDMORE FRANK O
IPC: B60C23/18
CPC classification number: B60C23/18
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公开(公告)号:US2962072A
公开(公告)日:1960-11-29
申请号:US80931459
申请日:1959-04-27
Applicant: SKIDMORE FRANK O
Inventor: SKIDMORE FRANK O
CPC classification number: B29D30/08 , B60C11/14 , Y10S152/03
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