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- [28] Simple automatic and recording balance INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1943, 15 : 46 - 48
- [29] A SIMPLE AUTOMATIC RECORDING MICROPHOTOMETER REVIEW OF SCIENTIFIC INSTRUMENTS, 1950, 21 (11): : 938 - 939
- [30] A simple automatic water still INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1933, 5 : 357 - 357