BS资源列表
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[国外标准] BS 308-2-1985 Engineering drawing practice. Recommendations for dimensioning and tolerancing of size
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[国外标准] BS 308-1.7-1996 Technical product documentation. Vocabulary. Terms relating to projection methods
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[国外标准] BS 308-1.20-1996 Technical drawings. Screw threads and threaded parts. Simplified representation
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[国外标准] BS 308-1.18-1996 Technical product documentation. Springs. Presentation of data for cylindrical heli
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[国外标准] BS 308-1.15-1995 Technical drawings. Seals for dynamic application. Detailed simplified representati
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[国外标准] BS 308-1.14-1995 Technical drawings. Seals for dynamic application. General simplified representatio