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GB/T 13498-2017 in English
Terminology for high-voltage direct current(HVDC) transmission
valid
Issued on:2017-12-29
$1,600.00 -
DL/T 781-2001 in English
High frequency switching converter module in power system
abolished
Issued on:2001-10-08
$240.00 -
GB 12940-1991 in English
Technical specification for silver-graphite electrical contacts
superseded
Issued on:1991-06-06
$312.00