_:b57822286 . _:b57822287 "T170" . _:b57822288 . _:b57822286 . _:b57822286 "1"^^ . _:b57822286 _:b57822288 . _:b57822288 _:b57822289 . _:b57822286 _:b57822287 . _:b57822289 . _:b57822287 "C3898838" . _:b57822289 "frequency" . _:b57822286 .