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公开(公告)号:US872042A
公开(公告)日:1907-11-26
申请号:US1906338015
申请日:1906-10-08
Applicant: JOSEPH JAMES BARROW
Inventor: KING THOMAS JOEL
CPC classification number: G09F11/29
公开(公告)号:US872042A
公开(公告)日:1907-11-26
申请号:US1906338015
申请日:1906-10-08
Applicant: JOSEPH JAMES BARROW
Inventor: KING THOMAS JOEL
CPC classification number: G09F11/29