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on 25 Oct 1993
PHH AVIATION SYSTEMS, INC.
73566155 · 31 Oct 1985
009
COMPUTER PROGRAMS THAT ENABLE PERSONAL COMPUTERS TO RECEIVE WEATHER DA...
on 15 Jun 1987
PHH AVIATION SYSTEMS, INC.
73566152 · 31 Oct 1985
009
COMPUTER PROGRAMS FOR ANALYZING AIRCRAFT ENGINE PERFORMANCE,COMPUTER P...
on 13 Mar 1987
PHH AVIATION SYSTEMS, INC.
73566156 · 31 Oct 1985
009
HANDHELD COMPUTER WITH BUILT IN COMPUTER PROGRAMS FOR AIRCRAFT FLIGHT ...
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