-
公开(公告)号:US746263A
公开(公告)日:1903-12-08
申请号:US1903137869
申请日:1903-01-05
Applicant: JAS H BAKER MFG COMPANY
Inventor: BAKER JAMES H
CPC classification number: B21D53/30
-
公开(公告)号:US691096A
公开(公告)日:1902-01-14
申请号:US1901079400
申请日:1901-10-21
Applicant: JAS H BAKER MFG COMPANY
Inventor: BAKER JAMES H
CPC classification number: B61H13/36
-