Bhdl - n.v.a. gaz maskesi no.1 - nefes alma eğitimi - 2 litrelik nefes torbası tam olarak nefes alamaz ve nefes veremez

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BHDL - N.V.A. GASMASK NO.1 - BREATHPLAY TRAINING - 2 LITER BREATHBAG UNABLE TO FULLY BREATH IN AND EXHALE

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