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3 definitions found.

PEX
+/--- PHIGS extension to X
/---- airport code: Pechora, Ussr
/---- Phigs/phigs+ Extension to X

See also

Acronym Definitions
HAPEX 5
APEX 4
TOPEX 3
MLOPEX 2
TOPEX/POSEIDON 2
DEPEX 2
OPEX 2
CEPEX 2
SAMPEX 1
ATPEX 1
ALPEX 1