| http://www.w3.org/ns/prov#value | - However, the position measuring part 44 is not limited to utilize such navigation, and, for example, a position measuring service provided by PHS (Personal Handyphone System) may be utilized or a technology realizing this position measuring service may be applied, and furthermore, various radio navigation and self-contained navigation may be applied, as long as physical conditions such as shape, s
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