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公开(公告)号:US2725027A
公开(公告)日:1955-11-29
申请号:US25749451
申请日:1951-11-21
Applicant: H H & N A HARDIN COMPANY
Inventor: BRANDON CLARENCE W , HARRY MARLOW , STEELE JAMES E
IPC: B63B3/08
CPC classification number: B63B3/08
公开(公告)号:US2725027A
公开(公告)日:1955-11-29
申请号:US25749451
申请日:1951-11-21
Applicant: H H & N A HARDIN COMPANY
Inventor: BRANDON CLARENCE W , HARRY MARLOW , STEELE JAMES E
IPC: B63B3/08
CPC classification number: B63B3/08