| http://www.w3.org/ns/prov#value | - nnesota Mining And Manufacturing CompanyEndoscopic cannulated instrument flushing apparatus for forcing a cleaning solution through an endoscopic cannulated instrument for removal of gross debrisUS5630787 *Mar 26, 1993May 20, 1997Olympus Optical Co., Ltd.System including endoscope and disposable protection cover with channelUS5674180 *Apr 28, 1993Oct 7, 1997Olympus Optical Co., Ltd.Endoscope syste
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