From: tabnak.ir
Subject: =?utf-8?b?2KfYrtin2LDbjCDYp9iyINiv2K7YqtixINmB2LHbjNioINiu2YjYsdiv2Ych?=
Date: Sat, 31 Oct 2026 09:24:38 +0330
MIME-Version: 1.0
Content-Type: multipart/related;
	boundary="----=_TN_MHT_1077521";
	type="text/html"

This is a multi-part message in MIME format.

------=_TN_MHT_1077521
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: base64
Content-Location: https://tabnak.ir/fa/news/1077521/%D8%A7%D8%AE%D8%A7%D8%B0%DB%8C-%D8%A7%D8%B2-%D8%AF%D8%AE%D8%AA%D8%B1-%D9%81%D8%B1%DB%8C%D8%A8-%D8%AE%D9%88%D8%B1%D8%AF%D9%87
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------=_TN_MHT_1077521--