Specification资源列表
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[国外标准] BS 5839-3-1988 Specification for automatic release mechanisms for certain fire protection equipment
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[国外标准] BS 5380-1984 Specification for hydraulic port and stud coupling using 'O'-ring sealing and 'G' serie
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[国外标准] BS 5328-4-1990 Concrete. Specification for the procedures to be used in sampling, testing and assess
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[国外标准] BS 5328-3-1990 Concrete. Specification for the procedures to be used in producing and transporting c