<https://cadcam.ne.jp/autocad/advanced/standardization/standardization_3/standardization_3-10/#webpage>
<http://schema.org/dateModified>
"2018-09-14T08:41:54+00:00"^^<http://schema.org/Date>
<https://cadcam.ne.jp/autocad/advanced/standardization/standardization_3/standardization_3-10/>