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lab pressure gauge testing machine
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...a statics balance principle. It is usually called piston gauge or manometer, sometimes pressure balance instrument, major used in the lab and ...
2025-04-12 03:32:29
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...calibrator which is basic on Pascal law and a statics balance principle. It is usually called piston gauge or manometer, sometimes pressure balance ...
2025-04-12 03:32:30
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