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Supplement to ARS 53-12, Revised January 1956

其他書名	Digest of Laws and Regulations Affecting the Sale of Hatching Eggs, Chicks and Poults
出版	United States Department of Agriculture, Agricultural Research Service, Animal and Poultry Husbandry Research Branch, 1956
URL	http://books.google.com.hk/books?id=2OF10AEACAAJ&hl=&source=gbs_api