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ستاد توسعه زیست فناوری Telegram News
Date: | ستاد توسعه زیست فناوری
Administrators The Standard Channel Select “New Channel” The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. The Channel name and bio must be no more than 255 characters long
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