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Priority to JP1969044480UpriorityCriticalpatent/JPS4924863Y1/ja
Priority to NO694238Aprioritypatent/NO128176B/no
Priority to GB52827/69Aprioritypatent/GB1255349A/en
Priority to NL696916319Aprioritypatent/NL145916B/xx
Priority to BE740957Dprioritypatent/BE740957A/xx
Priority to FR7008709Aprioritypatent/FR2037947A5/fr
Priority to DE2012060Aprioritypatent/DE2012060C3/de
Priority to MY1973232Aprioritypatent/MY7300232A/xx
Publication of JPS4924863Y1publicationCriticalpatent/JPS4924863Y1/ja
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
Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
Y02A30/00—Adapting or protecting infrastructure or their operation
Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways