Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
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Devices to prevent pollution by backflow of potable water. Air gap with submerged feed incorporating air inlet plus overflow. Family A, type C
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Tanks for transport of dangerous goods. Service equipment for tanks. Vapour collection adapter and coupler
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Tanks for transport of dangerous goods. Service equipment for tanks. Vapour transfer valve
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Tanks for transport of dangerous goods. Service equipment for tanks. Vapour transfer valve
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Free-standing industrial chimneys-Concrete chimneys
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Free-standing chimneys-Brick liners. Design and execution
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Free-standing chimneys-Steel liners. Design and execution
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Free-standing chimneys-Product specifications of cylindrical steel fabrications for use in single wall steel chimneys and steel liners
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Free-standing chimneys-Product specifications of cylindrical steel fabrications for use in single wall steel chimneys and steel liners
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