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Priority to JP47041224ApriorityCriticalpatent/JPS5143293B2/ja
Publication of JPS493430ApublicationCriticalpatent/JPS493430A/ja
Publication of JPS5143293B2publicationCriticalpatent/JPS5143293B2/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
Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E10/00—Energy generation through renewable energy sources
Y02E10/20—Hydro energy
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Underground Structures, Protecting, Testing And Restoring Foundations
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