10 月 27, 2022adminBento Box, electric lunch box recipes, food safety storage conditions, induction heating cooker recipes, school lunch box ideas, thermos recipes, USB Food Warmer, USB lunch box, USB Portable Food Warmer, 保溫飯壺我們很高興地向大家宣布,我們的日本發明專利已經獲得授權。有些人或許知道,在日本獲得專利授權並不容易,尤其是在一個非常擁擠的加熱和保溫產品領域上得到發明專利。