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公开(公告)号:US2989108A
公开(公告)日:1961-06-20
申请号:US82670559
申请日:1959-07-13
Applicant: J F JACKSON
Inventor: GORE JESSE L
CPC classification number: B60C17/01 , B60C17/047 , B60C17/06
公开(公告)号:US2989108A
公开(公告)日:1961-06-20
申请号:US82670559
申请日:1959-07-13
Applicant: J F JACKSON
Inventor: GORE JESSE L
CPC classification number: B60C17/01 , B60C17/047 , B60C17/06