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Application filedfiledCritical
Priority to JP50089679ApriorityCriticalpatent/JPS5214039A/ja
Publication of JPS5214039ApublicationCriticalpatent/JPS5214039A/ja
Publication of JPS5240780B2publicationCriticalpatent/JPS5240780B2/ja
JP50089679A1975-07-241975-07-24Connection device by means of normal angle end surface of segment in method of shield construction
GrantedJPS5214039A
(en)