"Messgeräte"@de . . . . "Winkelmesser"@de . . _:b1 . _:b1 "Initiale Version"@de . _:b1 "2020-04-07T09:31:02+02:00" . _:b1 "Matthias Block" . _:b2 . _:b2 "Matthias Block" . _:b2 "2020-04-07T09:32:47+02:00" . .