Underwater instrument for the combined reading of immersion time and depth, and decompression time
作者： Emilio Allemano
DOI:
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摘要: An underwater instrument for the combined reading of immersion time and depth, decompression time, wherein a depthometer, clock device tables are mounted in mutually adjacent positions on single support element.
lens.org 参考文章(2)
James G. Farrar, Monitor for divers to avoid decompression ,(1978)
Frederic Robert, Instrument de mesures pour plongées sous-marines ,(1960)