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公开(公告)号:US877335A
公开(公告)日:1908-01-21
申请号:US1906349928
申请日:1906-12-29
Applicant: HEITHERSAY JAMES SINCLAIR
Inventor: HEITHERSAY JAMES SINCLAIR
CPC classification number: G09D3/08
公开(公告)号:US877335A
公开(公告)日:1908-01-21
申请号:US1906349928
申请日:1906-12-29
Applicant: HEITHERSAY JAMES SINCLAIR
Inventor: HEITHERSAY JAMES SINCLAIR
CPC classification number: G09D3/08