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مرجع آموزش مهندسی ساخت و تولید CNC , CAM , GD&T , CAD ✉️ ارتباط با ما - Contact ↶ @proengs https://proeng.ir/ https://t.me/proeng_ir/ https://instagram.com/pro_eng_ir/
Updated: 2026-07-10
Flags — countries where our network of observers on Telegram recorded this ad being shown in this channel. It's not the advertiser's targeting country: Telegram serves sponsored ads worldwide, and we simply note where the ad appeared in the feed. The channel's main country (by its language) is highlighted in blue; rare placements (under 5%) are collapsed into “+N”.
