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| thickness testing | spectroscopy | spectroscopy |
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| spectrum analyzer | analytical balance | bender |
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| bender | black and white densitometer | direct reading spectrometer |
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| drilling | heat treatment | heat treatment (2) |
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| hydraulic universal testing machine | impact testing machine | large bending machine |
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| large vertical lathe | magnetic detection | pushing machine |
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| reducer production equipment | sloping-machine | tee hot forming equipment |
