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• BS 6375-1-2004 Performance of windows and doors - Classification for weathertightness and guidance on selection and specification.pdf
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• JIS B2005-6-2-2005 Industrial-process control valves-Part 6-2：Mounting details for attachment of positioners to control valves-Positioner mounting on rotary actuators.pdf
• BS EN 10055-1996 Hot rolled steel equal flange tees with radiused root and toes. Dimensions and tolerances on shape and dimensions .pdf