
THERMOPLASTICS PIPES AND FITTINGS - VICAT SOFTENING TEMPERATURE - PART 1: GENERAL TEST METHOD (ISO 2507-1:1995)
出版:Comite Europeen de Normalisation

专家解读视频
THERMOPLASTICS PIPES AND FITTINGS - VICAT SOFTENING TEMPERATURE - PART 1: GENERAL TEST METHOD (ISO 2507-1:1995)
出版:Comite Europeen de Normalisation
专家解读视频