1. سرشما‌ری عمومی‌ صنعت‌ و معدن‌ مرحله‌ اول‌ - ۳۱۳۷: مشخصا‌ت‌ پا‌یه‌ای و چا‌رچوبی‌ کا‌رگا‌هها‌ی کشور استا‌ن‌ خراسا‌ن‌ شهرستا‌ن‌ بیرجند

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