| http://www.w3.org/ns/prov#value | - To obtain the slip disk 7b(FIG. 13(b)), a fluorocarbon resin only or a fluorocarbon resin with the filler is coated, sprayed, baked or the resin in a form of a sheet being pasted to the entire surface, including the inner, outer and both side surfaces of a metallic plate 7x.
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