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Liao Kunzhen, Feng Yongming. A Programmable,Multi-Interval,Wide Range and Automatic Successive Timer Used in Darkroom[J]. Astronomical Techniques and Instruments, 1985, (2): 59-61.
Citation: Liao Kunzhen, Feng Yongming. A Programmable,Multi-Interval,Wide Range and Automatic Successive Timer Used in Darkroom[J]. Astronomical Techniques and Instruments, 1985, (2): 59-61.
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A Programmable,Multi-Interval,Wide Range and Automatic Successive Timer Used in Darkroom

    Abstract
  • A programmable,multi-interved,wide range and automatic successive darkroom timer,consisted of signal generators and digital counters,is a timing equipment which can be used for some special timing control.
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