| http://www.w3.org/ns/prov#value | - As illustrated in FIG. 1, an endoscope system 1 principally comprises an operation instructing device 2, an endoscope 10, a control device 20, a treatment-tool operation-unit electrically-driven operation device (hereinafter, referred to as electrically-driven operation device) 30, and a treatment-tool insertion-unit electrically-driven advance/retreat device (hereinafter, referred to as electrica
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