
Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints (ISO 13259:2018)
出版:Comite Europeen de Normalisation

專家解讀視頻
Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints (ISO 13259:2018)
出版:Comite Europeen de Normalisation
專家解讀視頻