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Dietert Sand Testing Equipment

2020322STRUCTURE FOR SAND TESTING HARRY W DIETERT CO. Feb 01 1972 STRUCTURE FOR SAND TESTING United States Patent 3638478 Universal strength testing machine 19620828 Steinmueller et al 2863191 Sand conditioning equipment signals representative of the tested properties of the foundry sand are fed to the control panel 30 and recording structure 32 from the automatic

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