- 专利标题: Photoprinting apparatus
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申请号: US7432349申请日: 1949-02-03
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公开(公告)号: US2614469A公开(公告)日: 1952-10-21
- 发明人: HILLMER HERMAN H , ORENT HENRY P
- 申请人: PRINTING ENGINEERS INC
- 专利权人: Printing Engineers Inc
- 当前专利权人: Printing Engineers Inc
- 优先权: US7432349 1949-02-03
- 主分类号: G03B27/06
- IPC分类号: G03B27/06