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Priority to JP1972095218UpriorityCriticalpatent/JPS5257590Y2/ja
Publication of JPS4952289UpublicationCriticalpatent/JPS4952289U/ja
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Publication of JPS5257590Y2publicationCriticalpatent/JPS5257590Y2/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
Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T70/00—Maritime or waterways transport
Y02T70/10—Measures concerning design or construction of watercraft hulls