Electricity, gas, steam and air conditioning supply
Electric power generation, transmission and distribution. "Manufacture of gas; distribution of gaseous fuels through mains". Steam and air conditioning supply
- 351 Electric power generation, transmission and distribution
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- 3511 Production of electricity
- 3512 Transmission of electricity
- 3513 Distribution of electricity
- 3514 Trade of electricity
- 352 "Manufacture of gas; distribution of gaseous fuels through mains"
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- 3522 Distribution of gaseous fuels through mains
- 3523 Trade of gas through mains
- 353 Steam and air conditioning supply
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- 3530 Steam and air conditioning supply
