當(dāng)前位置:
首頁 >
標(biāo)準(zhǔn)詳情頁

Hand- and machine-operated circular screwing dies for parallel pipe threads - G series (ISO/FDIS 4231:2016); German and English version FprEN ISO 4231:2016
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻