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ACI Standard Recommended Practice for Measuring, Mixing and Placing Concrete (ACI 614-42) Adopted as a Standard of the American Concrete Institute at Its 38th Annual Convention, 1942, as Reported by Committee 614

其他書名	Ratified by Letter Ballot May 24, 1942
出版	American Concrete Institute, 1944
URL	http://books.google.com.hk/books?id=ssMauqGFL-kC&hl=&source=gbs_api