与"portable hearing aaid"相近的词条

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• portable free-field warble tone audiometer
• portable galvanic and faradic generator
• portable galvanic and low-frequency generator
• portable gamma camera
• portable gas company
• portable hearing aaid
• portable hearing aid
• portable hoist
• portable IC tonometer
• portable impression tonometer
• portable individual diluter demand oxygen unit
• portable infant incubator
• portable insulin dosage-regulating apparatus
• portable insulin infusion pump
• portable ion meter
• portable iontophoreser

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