Category:1958 books about rail transport

Media in category "1958 books about rail transport"

The following 2 files are in this category, out of 2 total.

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  An evaluation of the luminous-transmittance requirements for railroad-signal glassware in terms of standard source-a of the international commission on illumination (IA jresv60n4p317).pdf 1,118 × 1,504, 4 pages; 3.46 MB
  
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  鉄路工程基本知識 基本計算与識圖.pdf 831 × 1,245, 90 pages; 1.4 MB