New variants of the railroad rails joining device
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Keyword(s):
1921 ◽
Vol 84
(1)
◽
pp. 361-385
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2009 ◽
pp. 118-118-24
◽
1921 ◽
Vol 84
(1)
◽
pp. 426-436
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2019 ◽
Vol 14
(3)
◽
pp. 429-448
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