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2021
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Invention
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Valve surface treatment apparatus. A valve surface treatment apparatus, relating to the technical... |
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|
G/S
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Valves of metal, other than parts of machines; pipework of
metal; junctions of metal for pipes; ... |
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G/S
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Valves [parts of machines]; pumps [machines]; pneumatic
component; hydraulic component (not incl... |
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G/S
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Boiler control instruments; thermostats; water meter; oil
meter; gas meter; regulating apparatus... |
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Invention
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Automatic feeding device for valve cleaning machine. The present invention relates to an automati... |
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2020
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G/S
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Valves [parts of machines]; pumps [machines]; pneumatic
controls for machines, motors and engine... |
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2019
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G/S
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Boiler control instruments; thermostats; water meters; oil
meters; gas meters; regulating appara... |
