
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series
出版:Nederlands Normalisatie Instituut

專家解讀視頻
2016 [01/12/2016]
Supersedes NEN ISO 4231. (12/2016)
EN ISO 4231:2016 - Identical
EN ISO 4231 : 2016 - Identical
ISO 4231 : 2016 - Identical