JJG 531-2003
直流电阻分压箱检定规程
V.R.of the DC resistive volt ratio box
2003-05-12
JJG 982-2022
直流电阻箱检定规程
D.C. Resistance Boxes
2022-09-26
GB/T 3928-2008
直流电阻分压箱
D．C．resistive volt ratio boxes
2008-08-06
DL/T 967-2005
回路电阻测试仪 直流电阻快速测试仪检定规程
Verification regulation of loop resistance tester and DC resistance high-speed tester
2005-11-28