Electrical apparatus for use in the presence of combustible dust. Past 1:2. Electrical apparatus protected by enclosures and surface temperature limitation. Selection, installation and maintenance
Fiber-reinforced thermosetting plastics pipes and parts of pipelines. Determination of resistance to short-time hydraulic pressure of plastic pipes and fittings
Information technology. Open systems interconnection. Conformance test suite for the presentation layer. Part 2. Test suite structure and test purposes for the ASN.1 basic encodings
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