| http://www.w3.org/ns/prov#value | - As best shown in FIGS. 4 and 5, a flexible wiring board 13 like a film formed of an insulating material, such as a polyimide, has a strain gage holding part 14 provided with a square opening 16, and an elongate part 15 projecting from one side of the strain gage holding part 14.
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