ONORM OVE EN 61466-1 : 2017 AC 2017现行
COMPOSITE STRING INSULATOR UNITS FOR OVERHEAD LINES WITH A NOMINAL VOLTAGE GREATER THAN 1000 V - PART 1: STANDARD STRENGTH CLASSES AND END FITTINGS (IEC 61466-1:2016)
出版：Osterreichisches Normungsinstitut/Austrian Standards
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