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公开(公告)号:US1535866A
公开(公告)日:1925-04-28
申请号:US52759722
申请日:1922-01-07
Applicant: MABEL HELENA SEARS
CPC classification number: B60W10/18 , B60W10/04 , Y10T477/8941
公开(公告)号:US1535866A
公开(公告)日:1925-04-28
申请号:US52759722
申请日:1922-01-07
Applicant: MABEL HELENA SEARS
CPC classification number: B60W10/18 , B60W10/04 , Y10T477/8941