🇬🇧 Original document is in Vietnamese
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Thông tư11/2020/TT-BTNMT· 30/09/2020
Circular - Vietnam (2020)
🇻🇳 Original: Quy định kỹ thuật xây dựng mạng lưới trọng lực quốc gia
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Vietnamese-language original. Use browser translation if needed.