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Kawakami Sangyo Co., Ltd.
| Kawakami Sangyo Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090274880 | Synthetic Resin Air Bubble Sheet - To make a thickness of a concavo-convex sheet as uniform as possible while ensuring the function of an air bubble sheet as a cushioning material. A synthetic resin air bubble sheet is provided in which a concavo-convex sheet ( | 11-05-2009 |