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Water-proof instrument
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A fire-fighting water lance pressure test instrument
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Adjustable wrench
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Inner-hole wrench
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Aluminum-nickel-cobalt magnet for aircraft instrument
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Pressure gauge detection device
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A pressure instrument
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Current generating source for portable field verifying device for high pressure instrument
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Calibration instrument for pressure vacuum instrument
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Improved instrument panel
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Wrench tool
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S-shaped wrench
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Chuck wrench
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Plastic separator
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Wrench box
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Insulation wrench
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Paper pulp separator
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Paper money separating mechanism
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