239
Manufacture of non-metallic mineral products n.e.c.
7
小类
直属分类 · 7 项
2391
Manufacture of refractory products
2392
Manufacture of clay building materials
2393
Manufacture of other porcelain and ceramic products
2394
Manufacture of cement, lime and plaster
2395
Manufacture of articles of concrete, cement and plaster
2396
Cutting, shaping and finishing of stone
2399
Manufacture of other non-metallic mineral products n.e.c.