TY  - RPRT
TI  - Circular of the Bureau of Standards no. 50: national standard hose couplings and fittings for public fire service
PY  - 1914
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 50
DO  - 10.6028/NBS.CIRC.50
ER  -