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Control circuit of constant-temperature wax melting furnace
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Maintenance structure for hearing-aid
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Hearing aid maintenance instrument
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Hearing-aid effect demonstration device
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Intelligent maintenance instrument for hearing aid
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Hearing-aid selecting and matching device
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Rotary type light-curing device
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Photocuring device
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Control circuit for photo-curing machine
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Simulated hearing-aid fitting device
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Vacuum photo-curing machine
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Upper opening type curing machine
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Multi-hearing-aid matching device
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Dehumidification device for hearing aid
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Constant-temperature wax melting furnace
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Rotatable hearing-aid matching device
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