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Tests of Blends of Portland and Natural Cements

United States. Central Concrete Laboratory, Mount Vernon, N.Y.

出版	Corps of Engineers, North Atlantic Division, Central Concrete Laboratory, 1944
URL	http://books.google.com.hk/books?id=hOQ1DvipDZwC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN