RO61898ARO71103ARO7110372ARO61898ARO 61898 ARO61898 ARO 61898ARO 71103 ARO71103 ARO 71103ARO 7110372 ARO7110372 ARO 7110372ARO 61898 ARO61898 ARO 61898A
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Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance