O'Brien Richard J.
O'Connell Desmond P.
O'Rourke Michael
O'Neil George J.
Oba Masatoshi
Obermeier Horst
Odashima Tadashi
Odohira Tetsu
Oem William L.
Oen Willliam
Oertli-Instrumente AG
Offereins Henderikus-L.
Ogi Tomiki
Ogilvie James I.
Ogoshi Hiroshi
Ohashi Kyosuke
Ohl Phillip C.
Ohlckers Per
Ohms Torsten
Ohnishi Michikazu