Oberlies Paul
Ochoa Carlos G.
Odagaki Toru
Okaya Denki Sangyo Kabushiki Kaisha
Ooms Leo Frans Maria
Ooms Leon F. M.
Oortman Gerlings Jan D.
Op de Beeck Herbert Kamiel Maria
Original Hanau Quarzlampen
Original Hanau Quarzlampen GmbH
Owen Peter