TY  - RPRT
TI  - Circular of the Bureau of Standards no. 503: statutory net-content marking requirements for packages (undefined) and packages of foods, drugs, and cosmetics
AU  - Schwartz, Kathryn M
PY  - 1950
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 503
DO  - 10.6028/NBS.CIRC.503
ER  -