
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series (Iso 4231:2016)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series (Iso 4231:2016)
出版:Asociacion Espanola de Normalizacion
專家解讀視頻