01063nam0 22002531i 450 UON0010503020231205102610.89920020107d1981 |0itac50 baengJP|||| 1||||Technological independence and progress of standardization in the japanese railwaysHarada KatsumasaTokyoThe United Nations University198120 p.27 cmJPTōkyōUONL000031GIA XVIIIGIAPPONE - SCIENZE PURE ED APPLICATEAHARADA KatsumasaUONV067148635881United Nations UniversityUONV253832650ITSOL20240220RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00105030SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI GIA XVIII 001 SI SA 27874 5 001 Technological independence and progress of standardization in the japanese railways1312068UNIOR