SAP Function Module search on KBL
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KBLKPW_WRITE_DOCUMENT - CHDO KBLKPW => Gen. by RSSCD000
KBLR_READ_DATA - Read complete document KBLK + KBLP + KBLPW + KBLE + KBLEW
KBLR_READ_KBLK -
KBLR_READ_KBLP -
KBLV_POST_DATA -
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