TY - RPRT TI - Checking packaged aerosol products, foam-type (non-food): a supplement to National Bureau of Standards Handbook 67 checking prepackaged commodities PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS HB 67supp1964 DO - 10.6028/NBS.HB.67supp1964 ER -