TY  - RPRT
TI  - Type approval criteria and test procedures : prepared for the Task Force on National Type Approval of the National Conference on Weights and Measures
AU  - Opperman, Henry V
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-2179
DO  - 10.6028/NBS.IR.80-2179
ER  -