
Heat-treatable steels, alloy steels and free-cutting steels Part 2: Alloy steels for quenching and tempering (ISO 683-2:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards

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Heat-treatable steels, alloy steels and free-cutting steels Part 2: Alloy steels for quenching and tempering (ISO 683-2:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards
專家解讀視頻