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机电产品制造—美国标准
工业控制设备UL 508.pdf
UL 778 _Motor-operated Pump Part 2.PDF
UL 778 _Motor-operated Pump Part 1.PDF
UL 508 industry control equipment.pdf
IEEE_C37[1].20.2-1999.pdf
ieee_c37[1].04-1999.pdf
IEEE std 690-2004 IEEE standard for the design and installation of cable systems for class 1E circuits in nuclear power generating.pdf
D1000-04.pdf
C37[1].301-2009_IEEE Standard for High-Voltage Switchgear (Above 1000 V) Test Techniques—Partial Discharge Measurements.pdf