Mechanical type teletransmission water gauge induced magnetism needle that is just reversing
The utility model relates to a mechanical type teletransmission water gauge induced magnetism needle that is just reversing, its characterized in that: including counting shaft, calibrated scale and permanent magnet, the scaled dish of counting shaft upper end system, the lower surface symmetry syst...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
22.02.2017
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Subjects | |
Online Access | Get full text |
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