アメリカ合衆国特許証 : 特許番号3,032,071 アメリカ合衆国特許証 : 特許番号3,032,071アメリカ ガッシュウコク トッキョショウ : トッキョ バンゴウ 3,032,071

National Diet Library

The National Diet Library (NDL), founded in 1948, is the library which belongs to the Diet. The NDL assists the activities of the National Diet. The Library collects and conserves materials and information both from Japan and abroad, serving as a foundation of knowledge and culture and providing library services to administrative and judicial entities and Japanese citizens.