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|