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Displaying results 1 of 5 - 5
Date Innovation City State Country Society
1938–1945 Mexican Steroid Hormone Industry University Park PA USA ACS
1936 The Beckman pH Meter Pasadena USA ACS
1929-1941 San Antonio River Walk & Flood Control System San Antonio TX USA ASCE
1931 Grain Aeration Ames IA USA ASABE
1931 Pickup Forage Harvester Madison WI USA ASABE
Displaying results 1 of 5 - 5
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