| http://www.w3.org/ns/prov#value | - ing portion attachable to an outer surface side of the insertion section of the endoscope and is connected to the distal end of the advancing and retracting member and capable of projecting from the distal end of the insertion section according to an advancing and retracting movement of the advancing and retracting member, and fluid supplying and discharging means including a conduit that is conne
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