… Articles of cement, of concrete or of artificial stone, whether or not reinforced. …
Explanatory notes
… 68.10 - Articles of cement, of concrete or of artificial stone, whether or not … (e.g., certain pipes) of cement (including slag cement), of concrete or of artificial stone, other than those of heading … stone obtained by agglomerating pieces of natural stone or crushed or powdered natural stone (limestone, marble, …