Release Time:2019-04-15 |
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Patents
一种采样容积可变的滤纸式烟度计
Institution:机械工程学院
Type of Patent:Utility models
Application Number:200620087378.0
Number of Inventors:3
Service Invention or Not:No
Application Date:2006-07-28
Publication Date:2007-04-27
Authorization Date:2007-04-27