當(dāng)前位置:
首頁(yè) >
標(biāo)準(zhǔn)詳情頁(yè)

Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings); German and English version FprEN 2043:2013
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻