1973资源列表
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[国外标准] DIN 1158 Ausgabe 1973-04 Hook nails conditions for downloading Standards General terms and conditio
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[国外标准] BS 4933-1973 Specification for ISO metric black cup and countersunk head bolts and screws with hexag
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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 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 3712-2-1973 Building and construction sealants — Part 2 Methods of test for seepage, staining, sh
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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 1191-1-1973 Specification for gypsum building plasters. Excluding premixed lightweight plasters.