SAP Function Module search on RRK_S
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RRK_SELDR_INTERSECT - Forms the Intersection of 2 SELDRs
RRK_SELDR_THJT_REPLACE - Replaces Selections for THJ Characteristic with Those for Original Char.
RRK_SELDR_THJT_TIME - Include Times from THJT in SELDR
RRK_SELDR_TO_EQSID - Resolve SELDR in EQSID
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