Measuring device for head of coal injection duct
The utility model discloses a measuring device for the head of a coal injection duct, which comprises a ruler rod, the left part and the right part of the rear side of the ruler rod are respectively provided with a sliding block in a sliding manner, the sliding blocks are fixed on the ruler rod thro...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
13.12.2022
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Subjects | |
Online Access | Get full text |
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