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Compasses for mathematics subject

by WANG LI
Year of Publication 12.03.2024
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Compasses for mathematics subject

by WANG YANGBIN, ZHU HAIHUI, ZHANG MINGWEN
Year of Publication 18.04.2023
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PASTE SUPPORT

by AN, HOJIN, KIM, MYUNG-SOO
Year of Publication 05.10.2016
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Paint storage device with reusable applicator

by Feddes Scott
Year of Publication 05.12.2017
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Drawing rule for geography subject

by ZHANG LIYUN
Year of Publication 18.10.2019
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SELF-ERASING MARKER

by Nizhner, Ernest
Year of Publication 18.07.2019
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LETTER OPENER WITH PROTECTED BLADE AND ROCKER

by ZELTNER MARKUS
Year of Publication 25.12.2014
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Physical drawing device

by MA MOLI
Year of Publication 20.12.2024
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