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Description:
Copies of USDA patents are available for a fee from the Commissioner of Patents and Trademarks, U.S. Patent and Trademarks Office, Washington, D.C. 20231.
Author:
Glenn, G.M.
Subject:
concrete , chemical composition , gels , aqueous concentrates , weight , density , patents , USDA , thermal conductivity , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1997