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几个关于阶比跟踪的国外专利

已有 675 次阅读2014-7-19 22:01 | 专利

1、Tracking and resampling method and apparatus for monitoring the performance of rotating machines
http://www.google.com/patents/US4912661?dq=5,960,411
2、Analysis of rotating machines
http://www.google.com/patents/US6801873

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