Food and drug manual, instructions to officials, analysts, and inspectors of Bureau of Chemistry relating to procedure for enforcement of food and drugs act of June 30, 1906, effective Feb. 1920.
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Food and drug manual, instructions to officials, analysts, and inspectors of Bureau of Chemistry relating to procedure for enforcement of food and drugs act of June 30, 1906, effective Feb. 1920.
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Food and drug manual, instructions to officials, analysts, and inspectors of Bureau of Chemistry relating to procedure for enforcement of food and drugs act of June 30, 1906, effective Feb. 1920.