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

Bs En Iso 21028-1 - Cryogenic Vessels - Toughness Requirements For Materials At Cryogenic Temperature - Part 1: Temperatures Below -80 Degrees C
出版:British Standards Institution

專家解讀視頻