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  • Gastec Hydrogen Sulfide Detector Tubes

Gastec Hydrogen Sulfide Detector Tubes

今有一物,名曰Gastec Hydrogen Sulfide Detector Tubes 。其功在测硫化氢,精准且便。用时,依其法行之,可速知硫化氢之量。此器精巧,为测气之良具,于诸般场所,如工坊、矿洞等地,皆能显其能,护人安康,保事顺遂。使此物者,当明其理,谨其用,方得其妙。



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