<https://wi-sun.org/ja/product/920mhz-usb-dongle-wsa0021/#webpage>
<http://schema.org/datePublished>
"2018-10-18T08:07:15+00:00"^^<http://schema.org/Date>
<https://wi-sun.org/product/920mhz-usb-dongle-wsa0021/>