通常、固定式の家庭用濃縮器と酸素タンクは、COPDやその他...
In der Regel waren die stationären Heimkonzentratoren und Sauerstoffflaschen di...
Normalmente, os concentradores domiciliares estacionários e os tanques de oxig...
Por lo general, los concentradores domésticos estacionarios y los tanques de ox...
Typically, the stationary home concentrators and oxygen tanks were the only opti...
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