Explosive atmospheres. Part 35-1. Caplights for use in mines susceptible to firedamp. General requirements and test methods in relation to the risk of explosion
Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 deg. C
Industrial automation systems and integration. Product data representation and exchange. Part 1304. Application module. AP 239 product status recording
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