The invention relates to a vacuumpacker, especially a vacuum chamber, working flat board and sealing air extraction device.
本发明涉及真空包装机，特别涉及一种真空包装机的真空工作室、工作平板及密封抽气装置。
2
Vacuumpacker can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover.