The economic impact of the patent system : a study of the British experience
もっともっと探す
+もっと詳しい情報
出版社: Cambridge University Press(1973)
ISBN-10: 0521202558 ISBN-13: 9780521202558
出版社: Cambridge University Press(1973)
ISBN-10: 0521202558 ISBN-13: 9780521202558