Modification of Beckman Spectrophotometer with External C Battery Supply and Voltage-Checking Arrangement
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1954 ◽
Vol 15
(4)
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pp. 589-590
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1949 ◽
Vol 71
(3)
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pp. 1132-1133
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1946 ◽
Vol 18
(3)
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pp. 204-205
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