What does PDH stand for?
PDH stands for "Plesiochrone Digital Hierarchy"
How to abbreviate "Plesiochrone Digital Hierarchy"?
"Plesiochrone Digital Hierarchy" can be abbreviated as PDH
What is the meaning of PDH abbreviation?
The meaning of PDH abbreviation is "Plesiochrone Digital Hierarchy"
What does PDH mean?
PDH as abbreviation means "Plesiochrone Digital Hierarchy"
