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,
October 6, 1981,
49 p.
Underwriters Laboratories, Incorporated
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Building Units Used in a Load-Bearing Wall Assembly.
Underwriters Laboratories, Inc., Northbrook, IL
File R9172-1; Project 79NK7829,
September 14, 1981,
40 p.