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Sumita Company Ltd.
| Sumita Company Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090145316 | Letterpress printing plate - A letterpress printing plate, made of a material having flexibility, includes a plurality of raised parts to applying ink to, the raised parts including a raised part for solid shade, and a buildup part formed at a backside position of the raised part for solid shade with respect to the printing plate. | 06-11-2009 |