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公开(公告)号:US1230502A
公开(公告)日:1917-06-19
申请号:US12640816
申请日:1916-10-18
Applicant: FOSTER MERRIAM & COMPANY
Inventor: MILLARD REGINALD W
CPC classification number: B60B33/0002 , Y10T16/201
公开(公告)号:US1230502A
公开(公告)日:1917-06-19
申请号:US12640816
申请日:1916-10-18
Applicant: FOSTER MERRIAM & COMPANY
Inventor: MILLARD REGINALD W
CPC classification number: B60B33/0002 , Y10T16/201