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PCE
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DIFF Subgroup
H02J 15/20

using storage of pneumatic energy, e.g. compressed air energy storage [CAES]

Introduced: January 2026

Full Title

Systems for storing electric energy specially adapted for power networks > using storage of pneumatic energy, e.g. compressed air energy storage [CAES]

No child classifications to compare. This is a leaf node in both IPC and CPC.