Sample of companion's heat that keeps warm is measured structure and is taken a sample and survey buret way
The utility model discloses a sample of companion's heat that keeps warm is measured structure and is taken a sample and survey buret way, the sample is measured structure ab intra and is outwards included hollow tube, heat preservation and protective layer, in order to solve the technical prob...
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Format: | Patent |
Sprache: | chi ; eng |
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