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Miller's 50% DDT Wettable - Science History Institute Digital Collections
Deenate", DDT insecticides for agricultural use - Science History Institute Digital Collections
Pesticides: DDT Tonatiuh Hernandez Bio. 2B. What is a Pesticide Chemical used and created by humans to kill and control undesirable organisms (such as. - ppt download
Acme 5% DDT Dust | Photograph | Wisconsin Historical Society
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What Is DDT? DDT the first of the chlorinated organic insecticides, was originally prepared in 1873 In 1939 Paul Muller of Geigy Pharmaceutical in Switzerland. - ppt download