JJG 1117-2015
液压式力标准机检定规程
Hydraulic-amplification Force Standard Machines
2015-06-15
JJG 638-2015
液压式振动试验系统检定规程
Hydraulic Vibration Testing System
2015-12-07
JJG 333-2005
预应力钢丝张拉机检定规程
Verification Regulation of Prestressed Steel Wire Tension Machine
1996-04-12