Membrane-separation nitrogen preparation device

The invention discloses a membrane-separation nitrogen preparation device and relates to the technical field of nitrogen preparation. The membrane-separation nitrogen preparation device comprises an air compressor, a gas storage tank, a pressure-regulating valve, a primary filter, a freeze drying ma...

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Bibliographische Detailangaben

1. Verfasser:	LI PUHUA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS
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