Negative pressure dry ice book storage box
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- GUANGXI UNIV
- Publication Date
- 2015-11-11
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the field of book storage devices, in particular to a negative pressure dry ice book storage box. Background technique
[0002] Currently, books are usually stored in bookshelves, bookcases, and bookcases. However, when books are stored in an indoor environment of normal temperature and pressure, bacteria will continue to grow. For a long time, bacteria will damage books, pollute the indoor environment, and then affect human health. Contents of the invention
[0003] The technical problem to be solved by the present invention is to provide a negative pressure dry ice book storage box with simple structure, easy manufacture and easy operation, so as to avoid or reduce the breeding of bacteria in book storage.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: negative pressure dry ice book storage box, including box body, box cover, piston exhaust pump and ...