
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

专家解读视频
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
专家解读视频