B66C 7/12
Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
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Edits on 16 Mar, 2022
Golden AI
Edits on 9 Mar, 2022
Golden AI
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Description (+142 characters)
B66C 7/12
Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
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