19资源列表
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[国外标准] NEMA ICS 19-2002(R2007) Diagrams, Device Designations, and Symbols for Industrial Control and System
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[国外标准] BS EN 61558-2-19-2001 Safety of power transformers, power supply units and similar devices — Part 2-
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[国外标准] SS EN 60745-2-19-2005 Safety of hand-held motor-operated electric tools - Part 2-19 Particular requi
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[国外标准] EN 301 489-19-2002 Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic C
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[国外标准] CEI EN 60617-7 (1998) [CEI 3-19] Segni grafici per schemi Parte 7 Apparecchiature e dispositivi di c
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[国外标准] BS 3424-19-1989 Testing coated fabrics. Methods 22A, 22B and 22C. Determination of sulphur staining