Answer
Query the relevant barcode/label reporting view (such as inventory_part_barcode_rep) filtered by that specific print job's result_key — for example, aggregating MIN(origin_pack_size), COUNT(DISTINCT barcode_id) for the number of distinct labels, and COUNT(*) / COUNT(DISTINCT barcode_id) for the number of copies per label. Since these are runtime parameters the user entered when generating that specific print job, rather than stored master-data settings, they only exist tied to that job's own generated report data (accessible via its result_key), not as a standalone configuration value elsewhere in the database.