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the “letter” / telecommunication facilit

the “letter”
the “letter”

This is a communication tool. The purpose of this product is to make the user aware of the value of the information itself by using waits during the process and by hand input. Users who understand the different values of different information no longer value the useless information in their lives and focus on more meaningful information


Beijing University Of Chemical Tech

Beijing University Of Chemical Tech
Beijing, China

凌宇 李,
Beijing University Of Chemical Tech