for资源列表
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[国外标准] BS 4677-1984 Specification for arc welding of austenitic stainless steel pipework for carrying fluid
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[国外标准] BS 4660-1989 Specification for Unplasticized polyvinyl chloride (PVC-U) pipes and plastics fittings
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[国外标准] BS 4515-1-2009 Specification for Welding of Steel Pipelines on Land and Offshore - Part 1 Carbon and
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[国外标准] BS 4514-1983 Specification for Unplasticized PVC Soil and Ventilating Pipes, Fittings and Accessorie
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[国外标准] BS 4486-1980 Specification for hot rolled and hot rolled and processed high tensile alloy steel bars
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[国外标准] BS 4449-2009 Steel for the reinforcement of concrete — Weldable reinforcing steel — Bar,coil and dec
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[国外标准] BS 4447-1973 Specification for the performance of prestressing anchorages for post-tensioned constru
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[国外标准] BS 443-1982 Specification for testing zinc coatings on steel wire and for quality requirements
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[国外标准] BS 4395-3-1973 Specification for high strength friction grip bolts and associated nuts and washers f
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[国外标准] BS 4395-2-1969 Specification for high strength friction grip bolts and associated nuts and washers f
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[国外标准] BS 4393-1991 Specification for solderable tin or tin-lead coated wires for component terminations