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Chinese Factory Xenon Argon Helium CO2 Oxygen Factory Price
2025-04-13
introduction 4490
7440-59-7
He
231-168-5
Industrial Pure Air
Industrial Grade
Non-Flammable Gas
2L-50L Customization
99.9%-99.9999%
-268.94ºC
-272.2ºC
Colourless and Odourless
Hengsheng
Gas Cylinder
2L-50L
China
2804210000
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