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Patent Activity And Technical Change In U.s. Industries
Description innovation is universally recognized as an important source of economic growth. Patents ... more |
熱門搜尋
| 分類(單選) |
顯示所有篩選
|
|---|---|
| 配送方式(可複選) | |
| 其他(可複選) |
搜尋結果共 1 筆, 頁數 1 / 1
呈現:
|
|
Patent Activity And Technical Change In U.s. Industries
Description innovation is universally recognized as an important source of economic growth. Patents ... more |