GL B X 1 General
GL B X – Search report
GL B IX 5 Access to EPO documentation for the national patent offices
GL B IX 4.1 Composition
GL B IX 4 Non-patent literature arranged for library-type access
GL B IX 3.1 Periodicals, records, reports, books, etc.
GL B IX 3 Non-patent literature arranged for systematic access
GL B IX 2.4 Patent family system
GL B IX 2.3 Search reports
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