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PCE
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CPC Subgroup
B01L 5/02

Gas collection apparatus, e.g. by bubbling under water (for sampling G01N1/22)

Full Title

Gas handling apparatus (gas jars or cylinders B01L3/12; cold traps or cold baffles B01D8/00) > Gas collection apparatus, e.g. by bubbling under water (for sampling G01N1/22)