I made data extractor for SAP table and query.
icoxfog417/SAPExtractorDotNET · GitHub
You also use it by command line.
SAPExtractorDotNET/saploader at master · icoxfog417/SAPExtractorDotNET · GitHub
I confirmed it in SAP 6.0 (SAP_AP 700 SP29).
If you find some bug in this tool at your SAP, please notify me.