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FIBERSCOPES [AND ASSOCIATED COMPONENTS-NAMELY, BIOPSY FORCEPS, STOMACH WASHING PIPES THROUGH WHICH DISTILLED WATER IS PASSED AND WHICH IS FITTED INTO A GASTROSCOPE'S FIBERSCOPE, FLUID CONTAINERS USED AS TANKS FOR STORING DISTILLED WATER TO BE POURED INTO A GASTROFIBERSCOPE FOR WASHING A PART TO BE INSPECTED OR AN INSERTION TUBE, MOUTHPIECES USED TO PROTECT THE INSERTION PORTION OF A FLEXIBLE TUBE WITH DISTAL END INSERTED IN THE STOMACH WHICH MAY BE BITTEN BY A PATIENT IN CASE OF PAIN, CLEANING TUBES FOR FORCEPS OPENINGS, VALVES FOR FORCEPS OPENINGS, BRUSH VALVES FITTED INTO THE OPENING PORTION OF THE PROXIMAL END OF A WASHING PIPE FOR PASSING A CYTOLOGY BRUSH THROUGH, CARRYING CASES WHICH ARE USED FOR HOLDING INSTRUMENTS AND THEIR ACCESSORIES, COLD LIGHT SUPPLY WHICH IS A BRILLIANT COLD LIGHT EMITTED FROM THE CONTROL UNIT OF THE GASTROFIBERSCOPE USED FOR OBSERVATION AND PHOTOGRAPHY, MEDICAL CAMERAS, DIOPTRIC LENSES, LECTURE SCOPES WHICH ARE FIBERSCOPES THAT ARE FITTED AT THE OTHER END OF AN INSTRUMENT ENABLING TWO PERSONS TO OBSERVE OBJECTS TOGETHER, ADAPTORS USED TO SET UP PHOTOGRAPHIC, APPARATUS OR 16 MM, CINEFILM APPARATUS AT THE PROXIMAL END OF THE INSTRUMENT]