anyị agafeela nyocha nke Australia New Zealand Standard Fabricated Structural Steelworks Welding Procedure Specification WPS PQR Inspection nke ọma yana njide asambodo metụtara ya.
Oge nzipu: Jul-23-2021
AS/NZS 1554 Australia New Zealand Ọkọlọtọ arụpụtara nchara arụ ọrụ ịgbado ọkụ yana njide iru eru WPS PQR
Oge nzipu: Jul-23-2021