共 50 条
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- [12] AN INEXPENSIVE RECORDING VACUUM BALANCE JOURNAL OF SCIENTIFIC INSTRUMENTS, 1965, 42 (02): : 109 - &
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- [18] INEXPENSIVE AUTOMATIC RECORDING MOSSBAUER SPECTROMETER REVIEW OF SCIENTIFIC INSTRUMENTS, 1964, 35 (10): : 1336 - &
- [19] AN INEXPENSIVE, GENERAL PURPOSE, BIOLOGICAL AMPLIFIER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1963, 40 (07): : 374 - &