Instructions for the design and installation of passages for conduits and electrical wiring for instruments and automation systems through walls and floors of buildings and structures
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Gosnadzor Приказ N 593 от 01.07.2009Rostekhnadzor Order of July 1, 2009 N 593. On … |
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GOST 9467-75Metal-covered electrodes for manual arc welding … |
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SanPiN 2.1.2.729-99Polymer and Polymer-Containing Construction … |