- 专利标题: Color sensitized record material comprising phenolic resin and acid type mineral
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申请号: US3455721D申请日: 1964-12-21
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公开(公告)号: US3455721A公开(公告)日: 1969-07-15
- 发明人: PHILLIPS PAUL S JR , HEIN GERALD M
- 申请人: NCR CO
- 专利权人: NCR Corp
- 当前专利权人: NCR Corp
- 优先权: US42019364 1964-12-21
- 主分类号: B41M5/132
- IPC分类号: B41M5/132 ; B41M5/155 ; B41M5/12 ; D21H1/28
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