JJG 742-1991
恩氏粘度计 检定规程
Verification Regulation of Engler Viscosimeter
1991-03-04
JJG(交通) 055-2004
沥青标准粘度计检定规程
V.R.of Standard Viscometer of Bituminous Materials
2004-11-02
JJG (交通) 055-2004
沥青标准粘度计检定规程
Verification Regulation of Standard Viscometer of Bituminous Materials
JJG 214-1980
滚动落球粘度计试行检定规程
Verification Regulation of Viscosimeter for Roll -Down Ball Type
1980-08-22
JJG (轻工) 73-2000
纸浆用毛细管粘度计检定规程