corner bracket

Translations
угловой кронштейн
угловая скоба
угловая крепёжная планка
угловые кавычки
Definitions
An L-shaped bracket used to join, reinforce, or support two surfaces meeting at a corner.
A corner-shaped punctuation mark used to enclose quotations, especially in Chinese and Japanese writing.
Words
corner

adjective
угловой
bracket

noun
кронштейн