Select data from sap tables J_1AN
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J_1ANUGR1T - Texts for numbering group for official documents
J_1ANUGR3T - Texts for numbering groups for withh. cert. numbering
J_1ANUMGR1 - Numbering group for official documents
J_1ANUMGR3 - Numbering groups for withholding certificate numbering
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