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Thursday, 27 August 2015
sf6
sf6 information
vcb
cb
http://www.openelectrical.org/wiki/images/6/64/MOCB_1ab.jpg
http://www.globalspec.com/ImageRepository/LearnMore/20138/400px-BulkOILCBb49a40e3e2f04a7caa7c1e5126b69ee7.png
basic formula
Transformer parts
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