Hashtags for all economic activities & functions of government in a convenient e-book


Class 2391 - Manufacture of refractory products of International Standard Industrial Classifications of All Economic Activities (ISIC) Rev.4 .

This class includes:

This class also includes:

  • manufacture of refractory articles containing magnesite, dolomite or chromite

Products

CPC Group #cpc373 - Refractory products and structural non-refractory clay products with classes



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hashtags for goods, services and harms

2391