Simple device for measuring filling amount of perlite in LNG (Liquefied Natural Gas) storage tank
The utility model discloses a simple device for measuring the perlite filling amount of an LNG (Liquefied Natural Gas) storage tank, which comprises a support, a pulley, a graduated scale, a lead weight and a protective cover which are combined to realize the measurement of the perlite filling amoun...
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Format: | Patent |
Sprache: | chi ; eng |
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