acf5e740_ded_Data__DXF___DXF_Reference___Entity_name
[Group code] 1004 [Description] Binary data is organized into variable-length chunks. The maximum length of each chunk is 127 bytes. In ASCII DXF files, binary data is represented as a string of hexadecimal digits, two per binary byte. [Entity name] 
Binary data
Extended Data [DXF - DXF Reference]
Entity name