| http://www.w3.org/ns/prov#value | - Moreover, the belt member 16 is made of organic insulating materials such as polyimide, PET (polyethylene terephthalate), polytetrafluoroethylene, polyfluoroethyleneproplylene, and PTFE (polytetrafluoroethylene), rubber materials such as silicon, isoprene, butadiene, etc.
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