The proportioning of railway track fishplates from an economic standpoint
By Ronald Alexender Inglis
Bok Engelsk 1931 Ronald Alexander Inglis
Utgitt | London : The Institution , 1931
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Omfang | 16 s. : ill.
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Emner |
Utgitt | London : The Institution , 1931
|
---|---|
Omfang | 16 s. : ill.
|
Emner |