Lung exercising device, namely, an apparatus for therapeutic purposes intended to aid persons in the development of contractile strength for their lungs, to increase the strength of exhalation, and to provide an isometric-isotonic type of exercise for the user's lungs

'aid':12 'apparatus':6 'contractil':18 'develop':16 'devic':3 'exercis':2,38 'exhal':28 'increas':24 'intend':10 'isometr':34 'isometric-isoton':33 'isoton':35 'lung':1,22,43 'name':4 'person':13 'provid':31 'purpos':9 'strength':19,26 'therapeut':8 'type':36 'user':41

KAN-BREATHE

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