ISO/R 209 (Non-equivalent)
        ISO/R 827 (Non-equivalent)
        ISO/R 828 (Non-equivalent)
        ISO/R 829 (Non-equivalent)
        ISO/TR 2136 (Non-equivalent)
        NF A 50 411 (Non-equivalent)
        NF A 50 451 (Non-equivalent)
        ASTM B 211 (Non-equivalent)
        ASTM B 316 (Non-equivalent)
        DIN 1725 (Non-equivalent)
        DIN 1745 (Non-equivalent)
        DIN 1746 (Non-equivalent)
        DIN 1747 (Non-equivalent)
        DIN 1748 (Non-equivalent)
        DIN 1749 (Non-equivalent)
        DIN 17606 (Non-equivalent)
        DIN 1790 (Non-equivalent)
        DIN 59675 (Non-equivalent)
        UNI 3579 (Non-equivalent)
        UNI 3580 (Non-equivalent)