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Priority to JP6544376ApriorityCriticalpatent/JPS52148923A/ja
Publication of JPS52148923ApublicationCriticalpatent/JPS52148923A/ja
Publication of JPS5721623B2publicationCriticalpatent/JPS5721623B2/ja
JP6544376A1976-06-031976-06-03Nonninflammable shingle roofing having flexibility and continuous manufacturing process for same
GrantedJPS52148923A
(en)