Leroux Michel
Leroux,leo
Lesimple Laurent
Leslie Adams Brown
Lester Leo M.
Lesther Nicaise
Levan Ambrose E.
Levengood Donald Allen
Levine Melvin
Lewan Chester R.
Lewis Ivor J.
Leybold-Heraeus G.m.b.h. And Co. Kg
Leytes Lev J.
Liaaen Engineering A/s
Liantonio Vito
Liberfarb Zilek
Liberman Richard
Libke Albert W.
Liepelt Donald W.
Lietz Arthur Albert