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Underwriters Laboratories, Incorporated
view article (1.0)Structural Wood Members in a Floor-Ceiling Assembly.Underwriters Laboratories, Inc., Northbrook, IL['File R5492-2', 'Project 81NK9398']File R5492-2; Project 81NK9398
October 6, 1981
49 p.Underwriters Laboratories, Incorporated
view article (1.0)Building Units Used in a Load-Bearing Wall Assembly.Underwriters Laboratories, Inc., Northbrook, IL['File R9172-1', 'Project 79NK7829']File R9172-1; Project 79NK7829
September 14, 1981
40 p.