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This standard applies to centerline spacings and rail gauges for rollers of switchgear and instrument transformers.
Centerline spacings and rail gauges for rollers of switchgear and instrument transformers
이 규격은 계기 외부에 접속하여 사용하는 정격 전류 3000A 이하의 직류분류기에 적용된다
Shunts
DDZ-Ⅱ series electric unit combination meter totalizer
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