If you meant something entirely different (e.g., a product code, a medical term, or a file number), please clarify. Otherwise, I cannot provide further detail on adult content.
I notice you're asking about the code "JUL-808" — this appears to reference a specific adult video (AV) title from a Japanese production label (specifically, the Madonna label, known for its focus on older actresses/mature themes). JUL-808 CH