１６）旋盤　第１表　１台当たり重量階級、生産台数規模別生産機種数、生産台数、製品総重量及び延労働時間 １６）旋盤　第１表　１台当たり重量階級、生産台数規模別生産機種数、生産台数、製品総重量及び延労働時間

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...