@misc{1169326, author = {Henry E Robinson and Thomas W Watson}, title = {Performance tests of cleanable impingement type air filters type VS and type VR:}, year = {1953}, month = {1953-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.2322}, language = {en}, }