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RV_MACODE_DATA_FOR_FIELD - Determine a matchcode file for a field
RV_MATERIAL_STATUS_BLOCK - NOTRANSL: Lesen der Liefersperre zu Positionsstatus
RV_MATERIAL_STATUS_CHECK - NOTRANSL: Prüfen des Materialstatus (Vertrieb)
RV_MAT_SUB_SAVE - Material substitution - update function
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