Aiphone Intercom System AP-10M AP-1M Service Manual - Genuine Original
May have scribbles and notes from service technicians as it was sourced from an active repair shop. All manuals feature full foldout sheet diagrams.
I have many technical and service manuals, and am progressively adding them to eBay. I combine postage for multiple manual purchases. Please contact me if you would like a quote for combined postage before purchase.