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4、 0901 . , , (Sweep time) . (3) , . 4 C 1001 - 1970 KS C 0902 . , . , . , . 1 . (4) . , , , . 2 . 5 C 1001 - 1970 5. , . , , . , . , , . . , , . . , . . - - 6 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS C 1001: 1970KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Impulse voltage testing for instrument transformers ICS Korean Agency for Technology and Standards http:/www.kats.go.kr