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BD50 - Activate Change Ptrs for Mess. Type
BD51 - Maintain function modules (inbound)
BD52 - Activ.change pointer per chng.doc.it
BD53 - Reduction of Message Types
BD54 - Define Logical Systems
BD54C - Logical Systems (Client-Specific)
BD55 - Maintain IDoc Conversion
BD55OLD - Maintain IDoc Conversion
BD56 - Maintain IDoc Segment Filters
BD57 - Maintain link and serialization ty.
BD58 - Convert organizational units
BD59 - Allocation object type -> IDoc type
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