６）紙　第５表　紙専業、パルプ兼業、生産能力規模、生産工程、板紙品目別トン当たり所要労働時間 ６）紙　第５表　紙専業、パルプ兼業、生産能力規模、生産工程、板紙品目別トン当たり所要労働時間

The National Archives of Japan's Digital Archive provides access to the descriptions and digitized images of the historical records preserved by the National Archives of Japan. Anytime, anywhere, free...