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Continue to ChatIndonesian Iron and Steel Industry Association/IISIA dan Badan Standardisasi Nasional (BSN) sepakati Standar Nasional Indonesia (SNI) material logam https://metalextra.com/indonesian-iron-and-steel-industry-association-iisia-dan-badan-standardisasi-nasional-bsn-sepakati-standar-nasional-indonesia-sni-material-logam/