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- Communication data sheet gas of SEFE Energy GmbH
- Communication data sheet power of SEFE Energy GmbH
- Form for Determination of Gas Offtake
- Information data sheet on EDIFACT data exchange for gas from SEFE Energy GmbH - in German language
- AS2 certificate for market communication - in German language
- AS4 certificate for market communication - in German language
- Certificate for market communication MAIL
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