标准:GB 12459,GB/T 13401,GB/T 14383,GB/T 14626,SH 3408,SH 3409,SH 3410,HG/T21634,HG/T21635,HG/T21631,GD 87-1101,DL/T 515,DL/T 695,SY/T 0510,SY 5257,ISO 3419,ISO 5251,ASME B16.9 ,ASME B16.11,ASME B16.28,MSS SP-43,MSS SP-75,MSS SP-79,MSS SP-83,MSS SP-95,MSS SP-97,JIS B2311,JIS B2312,JIS B2313,JIS B2316,DIN 2605,DIN 2615,DIN 2617,GB/T 9112~9124,GB/T 13402,JB/T 74~90,HG 20592~20635、SH 3406,ASME B16.5,ASME B16.47,MSS SP-44,JIS B2220,JIS B2238,BS 1560,BS 4504,DIN 2527,2573,2576,2627~2638,2673,2552,2653,2655,2656,2641,2642,2565~2569
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