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ACI Standards- 1949
American Concrete Institute
其他書名
Authorized Reprint, Journal of the American Concrete Institute, June 1945, October 1946, September 1947, September 1948, and September 1949
出版1949
URLhttp://books.google.com.hk/books?id=gyAlnQEACAAJ&hl=&source=gbs_api