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Underwriters Laboratories, Incorporated
view article (1.0)Report on Acoustical Material and Steel Framing Members in a Floor and Ceiling Construction. Keene Ceiling and Insulating Division of Keene Building Products Corporation, a Subsidiary of Keene Corporation, Princeton, New Jersey.Underwriters Laboratories, Inc., Northbrook, IL['File R4647-14', 'File R6286']File R4647-14; File R6286
May 10, 1971
35 p.