
Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127:1992); German version EN ISO 1127:1996
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127:1992); German version EN ISO 1127:1996
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频