ASTM A 350  LF 2  Siku kimpalan soket  45 °  90 ° ASME B 16. 11

ASTM A 350 LF 2 Siku kimpalan soket 45 ° 90 ° ASME B 16. 11

Siku pengelasan soket ASTM A 350 LF 2 45 ° 90 ° ASME B 16. 11

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