prov:value
| - As the sleeve 63, a cylindrical sleeve formed from the following sheets can be employed: a flexible resin sheet made of resin, such as polycarbonate, nylon, fluororesin and the like, a sheet prepared by adding carbon, whisker, metallic powder and the like to the abovementioned resins, a metallic thin film made of nickel, stainless steel, aluminum and the like, or a sheet prepared by laminating the
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