Pre-formed thermal insulating materials for central heating and hot and cold water supply installations
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The use of thermal insulating materials for central heating and hot and cold water supply installations
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General-purpose jointing materials for gas-heated domestic appliances and gas installation pipes in buildings
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Humidity of the air definitions, formulae and constants
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Definitions, formulae and constants relating to the humidity of the air
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Humidity-Humidity calculation functions, tables and user guide
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