Syringe Calibration 3L maka Spirometers
Emebere UBREATH Spirometer Calibration Syringe iji mee ka usoro nhazi spirometer dị mfe ma hụ na ngwaọrụ na-arụ ọrụ nke ọma.Syringe na-ejide kpọmkwem 3 lita nke ikuku, nke nwere ike ịfefe site na spirometer kwekọrọ n'usoro nhazi ya na ntụziaka ya.
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