Organization, working methods, and materials used in periodical maintenance of bridges, signal systems, and metal supports carrying contact wire on electric railroads in British Empire, China and Japan and countries of North and South America.
Methodical and periodical maintenance
Int Ry Congress Assn -- Bul
1936
41 pages
Article (Journal)
English
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Engineering Index Backfile | 1937
|Engineering Index Backfile | 1937
|Engineering Index Backfile | 1937
|Engineering Index Backfile | 1937
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