共 50 条
- [1] The Economics of the International Patent System AMERICAN ECONOMIC REVIEW, 1953, 43 (03): : 445 - 446
- [2] The Economics of the International Patent System CANADIAN JOURNAL OF ECONOMICS & POLITICAL SCIENCE, 1952, 18 (04): : 543 - 547
- [4] THE ECONOMICS OF THE INTERNATIONAL PATENT SYSTEM JOURNAL OF THE PATENT OFFICE SOCIETY, 1953, 35 (01): : 74 - 75