国外标准列表
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[国外标准] BS 2782-4 Method 452B-1993 methods of testing plastics part4.chemical properties Method 452B.Determi
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[国外标准] BS 2782-3-365A-1976 Mechanical properties Method 365A. Determination of softness number of flexible
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[国外标准] BS 2782-3-320A to 320F-1976 Plastics Part 3. Mechanical properties Methods 320A to 320F. Tensile str
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[国外标准] BS 2779-1986 Specification for Pipe threads for tubes and fittings where pressure-tight joints are n
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[国外标准] BS 2760-1973 Specification for pitch-impregnated fibre pipes and fitting for below and above ground
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[国外标准] BS 2633-1987 Specification for Class I arc welding of ferritic steel pipework for carrying fluids