1976资源列表
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[国外标准] BS 5306-1-1976 Fire extinguishing installations and equipment on premises. Hydrant systems, hose ree
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[国外标准] BS 5252F-1976 Colour Matching Fan (2004 Revision) (frozen). Order online for next-day delivery.
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[国外标准] BS 4872-2-1976 Specification for approval testing of welders when welding procedure approval is not
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[国外标准] BS 4675-1-1976 Mechanical Vibration in rotating machinery Basis for specifying evaluation standards
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[国外标准] BS 2S 137-1976 Specification for High chromium-nickel corrosion-resisting steel bright bars (free ma
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[国外标准] BS 2782-3-365A-1976 Mechanical properties Method 365A. Determination of softness number of flexible