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Window Method for Measuring Leakage.
Thimons-ED; Vinson-RP; Kissell-FN; Tall-A
U S Patent 1977 Oct; (4):
Issue of Publication
U.S. Patent No. 4,055,074, October 25, 1977
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division