Patent analysis of porous air bearing
碩士 === 中原大學 === 機械工程研究所 === 97 === This study presents a discussion about Porous Air Bearing technology by using patent analysis method. By searching European Patent Office and United States Patent and Trademark Office database, the analysis key words include the number of patent, competition nation...
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| Format: | Others |
| Language: | zh-TW |
| Online Access: | http://ndltd.ncl.edu.tw/handle/88524397946459816168 |