| http://www.w3.org/ns/prov#value | - As described above, since the lubricative composition of the third embodiment according to the present invention is a product obtained by crosslinking polynorbornene, which is a highly oil-absorbing polymer, in the presence of a large amount of a lubricating oil or grease held in the polymer, the lubricating oil or grease is homogeneously contained and held in the whole crosslinked polynorbornene.
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