| http://www.w3.org/ns/prov#value | - The process cartridge is constituted as one of at least two types of cartridges, a first cartridge and a second cartridge, and used selectively by being made detachably attachable to a main body of an identical...http://www.google.com/patents/US20040190933?utm_source=gb-gplus-sharePatent US20040190933 - Process cartridge and image forming apparatusAdvanced Patent SearchPublication numberUS20040190
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