
Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification (ISO 636:2004)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification (ISO 636:2004)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频