| http://www.w3.org/ns/prov#value | - head, liquid discharge apparatus, and liquid filling methodUS20120033020 *Jul 15, 2011Feb 9, 2012Ricoh Company, Ltd.Image forming apparatus including recording head for ejecting liquid droplets* Cited by examinerClassifications U.S. Classification347/85, 347/86, 347/92, 347/30, 347/84International ClassificationB41J2/17, B41J29/38, B41J2/175, B41J2/19, B41J2/165Cooperative ClassificationB41J29/38
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