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1 result for "Quiz: Mixing of DDT Emulsions nd U.S. Public Health Service" in Creator.

Title ▲	Year	Creator	Length	Holdings
DDT." (CDC-5-007; 36 frames) Quiz: Mixing of DDT Emulsions nd U.S. Public Health Service	1945	Quiz: Mixing of DDT Emulsions nd U.S. Public Health Service	50 frames