Class 19

grouting mortars containing synthetic resins for rock bolt installation 116944

用于岩锚安装的含合成树脂的灌浆砂浆

Chinese 用于岩锚安装的含合成树脂的灌浆砂浆

English grouting mortars containing synthetic resins for rock bolt installation

Spanish Morteros de rejuntado que contienen resinas sintéticas para la instalación de pernos de roca