dch_gasLevel 1

Industrial Gases

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dch_gas_cryoCryogenic Gases (liquid nitrogen, liquid helium)

dch_gas_industIndustrial Gases (oxygen, nitrogen, argon, CO2)

dch_gas_specialSpecialty Gases (ultra-high purity, calibration mixes)

Cross-system equivalences1

NAICS 2022

325Chemical Manufacturingbroad

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