SOUND FILTERING DEVICES FOR INSERTION INTO THE HUMAN EAR, NAMELY, MOULDS AND EAR PLUGS AND PARTS THEREFOR

'devic':3 'ear':9,13 'filter':2 'human':8 'insert':5 'mould':11 'name':10 'part':16 'plug':14 'sound':1 'therefor':17

MEDICAL CONSULTING SERVICES FOR HEARING AIDS

'aid':6 'consult':2 'hear':5 'medic':1 'servic':3

CONSULTING SERVICES AS TO APPARATUS AND EQUIPMENT, ENVIRONMENTAL FACTORS AND PROCEDURES TO BE FOLLOWED, ALL IN THE FIELD OF NOISE MANAGEMENT AND SOUND FILTERING

'apparatus':5 'consult':1 'environment':8 'equip':7 'factor':9 'field':18 'filter':24 'follow':14 'manag':21 'nois':20 'procedur':11 'servic':2 'sound':23

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