JP Japan JSIC Rev. 14 Official JSIC Rev. 14 reference site
Group

215 – CLAY REFRACTORIES

3 industries · Major group 21: MANUFACTURE OF CERAMIC, STONE AND

Industries in this group

MG 21
2151 Fire bricks 2152 Unshaped refractories 2159 Other clay refractories
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214 – POTTERY AND RELATED PRODUCTS

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216 – CARBON AND GRAPHITE PRODUCTS
Source: Soumu · JSIC Rev. 14 · JSON