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GAS KALIBRASI / SPAN GAS CALGAZ (MIXED GAS) 34 LITER - Gas Kalibrasi

GAS KALIBRASI / SPAN GAS CALGAZ (MIXED GAS) 34 LITER

- HYDROGEN SULFIDE (H2S) 25PPM - CARBON MONOXIDE (CO) 50PPM - METHANE (CH4) 2.5%(50%LEL) - OXYGEN (O2) 12% - NITROGEN (N2) BALANCE