
Aluminium And Aluminium Alloys - Copper And Copper Alloys - Vicker Hardness - Test-Loads Ranging From 0.2 To 120 Kgf
出版:Association Francaise de Normalisation

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Aluminium And Aluminium Alloys - Copper And Copper Alloys - Vicker Hardness - Test-Loads Ranging From 0.2 To 120 Kgf
出版:Association Francaise de Normalisation
专家解读视频