TY - RPRT TI - Circular of the Bureau of Standards no. 134 2nd edition: United States government master specification for fire-extinguishing liquid (carbon tetrachloride base) PY - 1924 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 134e2 DO - 10.6028/NBS.CIRC.134e2 ER -