| http://www.w3.org/ns/prov#value | - Each copying machine (12), (13), (14) comprises sensor means (16), (17), (18), (19), (21), (22), (23), (24) for sensing various operating parameters thereof such as a total number of copies produced, machine malfunctions,...http://www.google.de/patents/US4583834?utm_source=gb-gplus-sharePatent US4583834 - Copying apparatus Erweiterte Patentsuche Ver???ffentlichungsnummerUS4583834 APublikationstypE
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