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DIN EN IEC 60641-3-1
Pressboard and presspaper for electrical purposes - Part 3: Specifications for individual materials - Sheet 1: Requirements for pressboard, types B.0.1, B.0.3, B.2.1, B.2.3, B.3.1, B.3.3, B.4.1, B.4.3, B.5.1, B.5.3 and B.6.1
prEN 1366-15
Fire resistance tests for service installations - Part 15: 1-, 2-, 3- sided ducts
Transition fittings for polyethylene gas piping systems – Part 1: Requirements and Tests
prEN 1918-5
Gas infrastructure - Underground gas storage - Part 5: Functional recommendations for surface facilities
prEN 378-1
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria
