"nl" . "J.R.G. Isbrucker" . . "J.R.G." . . "28743323: ir." . "Isbrucker, J.R.G. (1934-1960 fl. ; electrotechniek)" . _:B2b092d913b1d32685c93e2092cb1416d . . "Isbrucker" . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d "2023-05-23"^^ . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d "069914117" . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d . _:B2b092d913b1d32685c93e2092cb1416d .