Umbrella Brusher
The present invention is a technology invented by considering inconvenience in use of an umbrella. Although there are similar existing products, they use electricity and thus cost money, and a lot of plastic is used to keep the inside of a building dried, which causes environmental pollution. Theref...
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Main Author | |
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Format | Patent |
Language | English Korean |
Published |
08.06.2021
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Subjects | |
Online Access | Get full text |
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