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.
|
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.
|